Fairchild 74-13A Service manual

74.134

aALTEf,ATED

CALBNATED

lnrlruclion

DE

DETAYING

Monuol

G

rup

Ihir

Plug-in

Srriot

wllh

llodulc ir

Orcillorcopc.

tho Typc

Serlol

766H

No.

dodgncd

lnrcrt lhir lrtonuol into thr

Sorior lnrtnrdion Mqnuol.

for urc

with

lhc Foirchild Typc 766H

Undcr

you

rocrivcd

f_.-,--

@)

liii

{tir.lllu

rccr.ro

.rld hir.rr.nt

FAIFIEHILE'

INSTRUMENTATION

,0 torlt,ar

Ccrp,

ttaca.

clttTox,

x.

r.

07ota

fl.rl-t

N..

aroa t,lra

TABLE

OF

CONTENTS

scc'ion
t. IECHMCAT

'UNMATY

troduction

In

l-l

i..ftni."t

t-2

OPEiATNo

2.

Time

Fint

2-l

s*ap-rriesding

i.i

itic&t-s"ir'.ce

z-i

;-i i;r"&;

+iffii*mrk":l

i:

s*l6bp.*tional

i-i

z.i s*reeb

s;;;'p

i-6

I-io

i-ii
i-ii

I-ii

i-ii

is

i

2-16

2-l?

3. CIICUTT

3-l

3-2

&t

34

5-5

36

E4

3-8

.. PERFOI'IIANCE

4-l

4-2

4.'

+4

4-5

4.6

+7

4a

4-9

4.10

bisptavs

x-v

o,itp,it

6"t

s-"*tJtt

fi-i-lt."t"rimet'ts

;i"i'sillii

wia,n$;3suremena

P"t*

Width

Pulse

the DelaY

P;il

llii.-i

DESCTIPTION

Introduction

Triccer

Trigger

Ciri[it

rcuit

Clr.oii

Strobe

Circuit

r'iocared i{ode

Triggered

Circuii

Strobe Modc

Circuit

rcult

Anned

Horizontal

Description

Maintenance

Performance

Checlins

Ct..rin!

Cnecrini

Armed Swecp Displavr

Armeil

:lav calibration

D€laY Calibration

NDT Gare
NDT Saw

bual

Beam Positioning

Auto

Tillc

Summary

|NSTIUCIIONS

(Specifrcations)

OPeration

- ,---

$lectiot'

C;piing

selection

Modes

Eipander

c"Iiur"tion

Adiwtment

:

.....

'o"tPut

'

.

"""

'.

----

"

."""""

"""'

Measunments

ulT

Measurements

Vernier

u...,rrt-tnts

Description "-

Circuit

Clrcurt

Description

pet.tiirtion

LrescrrPu

DescriPtion
DescriPtion

Description

lrescnP

Trace

Triggering-and

D€scrlPuon

Mode

tion of

........

Mode

Deflection

A'IUIANCE

Check

SweeP

Trig5ier

Calibration

Nofral,

Out

Out

Switch

Displayr

Ch€ct

Chect

Sweep

of

of

of
of

source

Triggered
che

Cheak

Trigering

IndiCitor

Control

Using

-

Normal

Triggered'

DelaYcd-

Armed-

DclaYed'

Circuit

IESI

to Assure

and

........

...

.

SYnc

HF

Page

r.t

r4

""'

2-l

""'

" ""'

tl

?-l

?1

n^

?-!9

"""2-lI

2-l

" ""

""

2-12

.

"'' ?'l-Z

--"

""

-

'.-

--.-

s]'*P

Polarity

and

.........

............

Chect

Checl

Check

""

"" '

. .

"""

""'

"""

--

"

"""""

z'tz

?'l?

2-15

'

-

.4-2

"'

"

,-,,

z'lt

2'14

E-r

3-l

3-:'

E6

34

t-10

3-10

4-l

4-l

+l

4-2
4-2

4-2

+2

4-3

4-3

I

Sccaion

IITAINTENANCE

5.

lntroduction

5-l

r{L.o"rl

i-i

s.i"iii"s

s-5

i+ c.i"ind,t.."s

iiuip*.nt

iiii

6.i

56

l]

5-9

i-io 3i.'*

5-lt

s-ii

6-ii

6.

Figurc

Adiuitniena

Ni?E-DA

i'l'-*l'llaut;i;;;ru;;;,;.;;

NDT

si'iii'c.iXdiust

Swecp

DA

5*Lp

'n.gi."ation

iio

X AmPliEer

5-t4

5-I5 x'

5-16

5-17

" "

r-re

;-i,

Adiustment

iil;i-

Sweep

Fast

Strobe

"-C;;.;ii;;

o.;v-

D;i;i,c,i

PAiTS

6A

6B

USI3

Electrical

Soare Parts

ilist of

Sweep

l-l TyPe

Base
me 74-l3A Ft

TyF

2-la

z-lb

2-2 TvDe

2-5a

i-3b

Connectors

TyPc ?4'l3A

Connectorc

Tft

liire

DisPlaY

2-42 Tvrr-'7+lr{

i-lu f'vix Z+-ts,t

2-5 Elibs€d

Finhing

2{

Phase

2-7

lc

Ti

IECAIITIAIION

AND

RePlacemenl

and

Hints

irig

Swcep

Length

Bai Adluitment

n'ia

.......

.

.1.

to Chasis

Required

....

""

Sens

Length

Adiustment """

Adjustment """

- -

"""""""""""

Adiustment '

1'Front

-1

High'Frequencv

Balance

DC

Calibration

IniensitY

Adjustment '

Adjustment

Pattern

and

A'djustment

Adlrisrment

Z.io

aaj"i.*.",

SCHEIVIATICS

AND

List

Parts

List

Recommended

Check

IlLUSTRAIIONS

74-l3A

PluEln

?4-13fi.

74-l3A

74-l3A

7$l3A

....

Time

the

Shift

-

................

.....

Vendors

CHARI

Calibration

Titlc

Delaying

Function

Function

Normal

Triggered

DeliYed

. ........

Armed

Armed

FrequencY

Measurements

'r-' "

"""r

Strobe

Delayed

Measurement

of Controls

Display

Triggered

oI

.. .......-.

..

for

" '

""

Chart

Sweep

Controls

of

Strobe

'." " '-':'-

'."""""

Parts

""

"""" ""

"

"

"" """"

Service

........

Panel)

""",''

""""""'

" '

""

""" ""

.""""" 4-2

Time

""" '

'

Display

Display

Display

.

"

""

"'

"" "'

"""

' ""

"""

and
and

Pagc

'

' '

"

"

"

""

" "

5-l
5-l

5-t

5-2

5-2

5-2

i'!

t'r

5-5

5-5

5-5

5'4

5'!

54
'-5

q-9

5'5
5'5

6-l

6.1

&9

Pagc

"

""

'

r-2

2-2

2-3

2-5

2S

2:7
2-8

2-9

2.12

2-1,

2-r5

Figurc

2-8 Pulse
2-9 Pulse Width

lt[USf iAIIONS

Tialc

Width

Measuremenb
Measurenrents

Circuit, Functional

(Contlnucdl

Using

Block

Pagc

2-r3

2-14

2-t4

3-2
3-2
3-4

Figurc

5-7

3.E

3-9

10

3-

I

3-l

12 Horizontal

3-

5-r

5-2

5-3

6-l

Titlc

Sinrplifred

Delayed-Triggered

Arured'Strobe"

Diagraur ...... .. ........ ..

Simpli6ed Tinring Diagraru

Delayed-Armed

Delayed-Arrrred Mode, Functional

Diagranr

rrplified

Simplified

Delayed-Arnred

_

-Func,tional

Right

and,A.djustrrrens

Left Side View

Nuvistors

Top View

Adjustments

Front

Tinring Diagranr

Display

tod., frir.tion"t

Strobe Display ............

Tiuring

Deflection Anrplifier,

Side View

Showing

Panel Replaceable

Diagraur

Display ............

-Block

Diagram

Showing

Showing Transistors,

and Adjrrstrrrenrs ..

Transistors

for

tbr

for

---.

'I'ransisrors

Parts ..... .............

and

ttio.L

Block

-- -

........

-

.. 6-0

Pagc

3-9

3-r0

3-l l

3-r2

3- 13

3-12

54

5-7

5-E

section

technicol

I

-

summory

.,,.-

*"-***\f.-

DEI.AYID

i,t{

colrPt

j

il

e

l-2

f,t

cufrot

Figutc l-1. fype 74-l3A Calibtoled Deloyiag Sweep Plug-la

SECTION

I

I.I. INTRODUCTION

IMPORTANT

MADE

MUST

THIS

entitled

instructions.

The

laying

Type

To

breviations

base delaying

BE

PLUG-IN

"First Time

Type ?4-ltA

Sweep

765/765IJ

simpli{y

is designed

Series of Transistorized

circuit

are employed

sweeps.

TECHNICAT

PTEASE

INITIAL

MODULE'

Dual

NOTE

ADJUSTMENTS

BEtr'ORE

See Paragraph

Operation"

Time

for use

description,

to describe

OPERATING

in Section 2

Calibrated

Base

the Fairchild

with

Oscilloscopes'

following

the

the

dual

2-l

for

tine

De-

ab-

SUiAXTARY

Abbrevictlon

NDT

DA

I.2. IECHNICAI

perfortrtatrce specificatiorr

The

rurodule

[ollows.

is

The NDT

Sweep

gered operation

sweep
delay

'l'he

Arrrred

sweep

oft trigger

An

quire<l

given in the

operation

starts

pick-ofi

DA sweep

operation

(NDT)

input trigger

to

5UIAf,IARY

Dercription

sweep

rettrs to

Delaying

and

(i.e.,

immediately

trigger

generates

which anns the

fire

the

is generated).

refers

(i.e.,

signal

DA sweep.

of

technical

strrnnlary

Normal

Trig'

delaYed

the

after the

to Delayed

the delaying

a delay

this

pick'

DA sweep).

is then

re-

plug-in

which

t-3

section I

-technicol

summory

Cqlibruted Sweep

Colibroted lineqr

2 sec/div in 23 steps

Uncolibrqted

The

uncqlibrotcd ronge

ond

:econds full scqlel.
indicotor

Swecp

Sweep Ronge

Sweep

exf€nds

of uncolibrqted

Accuroty

t3% meorured over

lhc

CRT screen

Sweep

Swcep

Sweep

Goie Out

5ow

Other Conlrols

Ronge lndiaoto.

Push-pull

pendenl

Exponder

A

cqlibrqted Xl0 swecp

clutch knob

control of the NDT ond

omplifier will

center; extends ,ortesl
seconds/div,

rpeed3 fosier

for slower

tweeps. Neglect

Colibrotion

A front-ponel

vided

lhe

externol timc atondord

Two fronl-ponel

tive-going pulse
pedonce

lood impcdqnce

ond

direcily

swecp

Ponel

pcrmit

to

Moin Frome

(NDT

is 500

shunted by less thon

lo

bonono

of opproximolely

ihe NDT

l0K

thon

lnlernol

strobe inteniity

izes the

ovoid:

obrerving strobed

Sweep. Output impedonce

ohmr, ond lood impedonce

l00K ohms

controls

plug-in

hoving to reset

TIiAE BAsE

f,onge

iweep rqtes

Vernier

sYsTEM

(NDT

of l, 2,

conlrol

DA)

&

from 0.1
ond 5 requencc

providcs

of sweep rolcs between ronget

thc

2 sec/div ronge to 5 sec/div

The UNCAI lomp leryc!

expond

Exponder

ihon 200 nonoseconds/div

screwdrivcr

normolizotion

qnd

stondordizinq thc

yernier

or

the centered

permits

simultoncous

DA sweap rotes

cxponder in the X

lhc rweep

sweep role

occurocy is

the firlt

SWP CAt control i6

of thc

A DA)

bonono

of 2.5

ohms. For oplimum

should be

ground

ond i5 time-coincident

provides

iock

25 volts

shunied

optimize setiings

ond

strobe ironsiiion.

to the

CRT of the

iocks

yolts

greotcr

l5

ond is

by

eoch

nominql.

pf.

Gote

posifive

o

should

less

thon l5

ihe iniensity

disploy

modes

;lsec/div

o coniinuous

operotion

poriion

div

8

or inde-

obout screcn

lo l0 nono-

t5"L

ond

nqnosecondt

50

plug.in

rweeps to on

provide

o

Outpui im-

performonce,

thon lOOK

is rcfcrcnced

with the

.ow

coincident

is nominolly

greqte,

be

pl

of outomoli€

This normol-

Moin Frome

conirol

(50

oi

outpui

lor

+3

pro-

unit to

posi-

ohms

outpul

with

qnd

when

%

qn

of

SWEEP MODES

Normol

to

Deloyed-friggered

Deloyed-Armed

Deloyed

Single

X

Deloy Vernier

Sweep Operotion

Conveniionql

rweep disploy. lnlernolly

opplied trigger signols

circuil

Strobe

Deloying

rweep

disploy showing lhe deloyed

or o brightened reclor. The

immediotely
eroied

Deloying

os

o brightened rector, but

ened sector) i: ormed
initioted

The deloyed

rhe

deloying

brightening

position

Triggered

The

brightened

ofier the deloy

5trobe

sweep disploy showing ihe

by o sync

lrigger

sweep outomqticolly

sweep

of the sweep retrqce

or Deloyed Armed

scctor of the sirobe

ore exponded to full

LAYED modei.

off

the

of

sweep

dury

cycle

Sweep

The sinEle

sweep of the time
until ihe deloyed

The single
externql irigger

Level control
swiich

The

SWP

loyed

sweep

to

be irigge.ed

Amplilier

When the

X lnput

EXT setiing

lerobly

"

CAIIBRATED DEIAY IIME

A len-turn

on-icreen distonce

itort o, which

Automotic

deloying

(DA)

performonce

sweep

is lerminqied. Thir permits

iweep mode

bose lo oppeor

sweep

rweep moy

pelse,

or by switching the NDT trigger

READY

(for

D|SPIAY LOGIC

signols

indicotor is lit whenever

goie

multivibrqior

X-Y Disploys)

moy be opplied

of thc Trigger

Slope"

-

Control

precilion

lrom the

the

deloyed sweep is

the

drive

deloyed sweep

pick-off

dclqyed

the

by

deloyed

is terminqted.

scole in

proyision

in the DEIAYED

{DAl

be

by

either of the DE-

(NDT)

when

permits

is rescl

reormed

iurning

i: ormed

swirch ir

to X Amplifier

SOURCE switch

SYSIEM

poteniiometer

deloying sweep

or

exiernolly

NDT

lime bose

swcep

stqrtr

trigger

deloyed

sweep

gen-

is

sweep

(bright-

trigger ond

shuts ofl when

in

is mqdc

but one

prevent3

Thie

either STROBE

sweep disploys

for shut-

the deloyed

moximum

mode

driven

the

oi

icreen

or.eormed

q

with

single

the NDT Trigger

polority

the de-

ond reody

5et to X AA,IP,

vio

pre-

ond

determinei

either triggered

the

(NDTI

or ormed

l-4

technicol

summory

section I

-

CAIIBIAIED OETAY lll

The DEIAY VERNIER
from zero to

o Deloy

Deloyed

Accurocy

lncrementol

trol is

Deloy Zero

Zero deloy i:

extreme

to

on

Deloy

Ronge

within

exlernol slondord

l0

Multiplier

TIME/DlV

occurocy

i0.25

Conlrol

occurocy, cny

from o minimum
20 seconds

IRIGGERING

(Scporole

fqciliiior for

HF Recur

A

unique high-frequency stobility switch

used to improve
hoying repetition

iloble synchronizqtion
to

beyond 50 Mc

lnternol Trigger

Signols

I Mc;

Type:

in Y covity. With
qdiurtment

trols will

will

trigger from 0.5 div of Y signol

from I div of Y signol up to |

76-01A, 76-02A,76-03

of the Trigger IEVEL

produce

o{ Y signol ol I Mc

30 Mc

(Concludedl

is

colibroied

control

in

coniunction

cqlibrqled con-

con be odiuslcd

losc orc

io reod

functioni

with ihe

ponel.

pqnel

proyid.dl

control

divisions.

when

coorrol

of the len-turn

%

odiustoble

or oll steps

ya

of

cqch fimc

SYSIEM

E

This

used

from the front

from the front

microsecond to more

SYSTEM

moy bc

counl down

rqte of 5 Mc

the HF STAB control set to RECUR,

o stoble

qnd

qnd

lock-in

grcqlcr.

of signols

or

of I cm dcflection

0

qnd

76-08 Modules

qnd

HF

STAB con-

disploy

2 divisions o{ Y signol

with

0.2 diviiion

of signolt

provides

lt

Mc wiih

lhon

up

For

ot

qs

io

Trigger

Slope

positive

Selection

Line,

of

or Externol triggering

or

[ine Trigger

Line frequency

poloriiy

with

the Trig LEVEL

Ext

frig lnput lmpedonce

I megohm

AC

Coupling

High-poss

cycles

DC

Coupling

Direcf

coupling is

tivity when

mointoin lhe iniliol reference

wiih respect

setting; ond lo ovoid trigger

rondom repelilion role lrigger signqls

ACF

Differentiqled

vided to

modulotion; low-frequency

Signols should rise

pois

the LF reject filter

Automolic

Triggering

Visible bose line

no

iignql

signol

of

q

trigger signol switches the sweep to the

mode immediotely

triggering con be selected in

ond the iriggering

conlrol

shunted by

filter

very slow

to the CRT scole oi o

trigger input;

reiect hum

inpui,

l0

cps

40

with

low-frequency

provided

woveforms

ond low-frequency

or foll in lesr

oll sweep ronges when there is

on

The rweep free runs uniil o lrigger

to l0

Mc

negotive

slopes on lnternol,

is

ovoilqble

poinl

mqy

(nominol)

pf

be :hifted

cutoff ol 80

to optimize trigger 3ensi-

ore opplied; to

porition

point

high-poss

of lhe lroce

given

trigger level

voriolions

{ilter is

omplitudc

cutoff nominolly l0

thon 100

is

opplied. Applicorion of

triggcrcd .

either

du€

pro-

prsec

lo

Kc.

to

Extcrnol frigger

0.5 volt

the sweep; I volt

to l0

(Xl)

peok-to-peok

Trigger

Mc.

or dc coupling ore included.

,rol sei io RECUR,

produce

control

lOV input

Externol Trigger

Some frequency limits

'10,1

ing

Trigger

A ronge

ground

will

ot I Mc

(XlOl

qttenuqtor

copobility to

Level

of i'l 0 volis

on exiernol lriggering

lrom dc to I Mc will trigger

peok-to-peok

leveling, slope ieleciion

odiusiment

o stoble

provided

is

will trigger the

Wirh the HF STAB con-

the Trigger

of

disploy

os

exiernql

to

extend

:t100 volts dc

(nominol)

with

with

trigger

the

dc level.

respeci io

sweep

qnd qc

LEVEI

0.2V to

Xl; o

HORIZONTAI.

DEFTECTION

Bondwidth

Direct

Coupled: DC to

Copqcitively Coupled: Low-frequency

cycles

Sensitivity

(XI0

Exponsionl

2 Mc; down 3 db ot 2 Mc

EXT/XI Ronge: 0.1 voli/div

EXT/XI0 Rongc: I volt/div

X

Vernier, A tert-io-one

vided in the horizontol

tion chonnel io exiend the inpul

signol ronge to l0 volts/div

Seniitivity

(Xl

Exponsion)

Reduces oll obove

sensitivities by l0:l

scon)

sYsTEM

cutoff is

ottenuotor is

(Restricied

80

pro-

deflec-

I

-5

rection

I

-technicol

rummoty

\--.

HOIIZO TAf DEfLECIION

lnPut lmP'don"

lnFul

I mcAohm

Connaclot

rhuntod

x A lp froni-ponal

usc ol

dirployr.

lhc

horizonlql

(DA

EXT TRIG connccto.

purporel

SYStEil

pf

by 40

conna€ror

dcfloclion

(Concludodl

(nominqll

providcd

i!

omplifior for

tGrvc, thit duql to

parmil

ro

X'Y

X Poritlonins \

A fronr-ponal

tioning
rwcap to withio

Boom

Porillon lndltoloru

Two indicqlor lonpr

qlad

whan

ii ir

control

of th.

X lnput rignol

th.

op.roior or lo

poritioncd

p.rmitr

iwo

divirion!

orc

off lhc rcrccn

coqrrc

or

of

locotrd

the

dircciion

ond finc

ponion

ony

rcrqGn

caniar

on th. tront

tho

of

poai-

oI

pqnrl

Lcom

th.

I

I

t-6

sEcTroN

2

OPERATING

2.I. FIRST IIME OPERATION

(Figurrt

If this is the ftrst tinte these

then certain

Used,

For instructions,
Recalibration

nrake

The

tbllowing adiustnrents.

the

NDT

Sweep

DA

Swecp

Strobe

Pqitcrn

Deloy Zero Adiurimcnt

Dcloy Col Adiurtncnt

following illusrations are

operator in beconring

Sweep Plug-ins.

Figures

Figure 2-2
Figure

Figure
Figure

Figure

Unless otherwise

Y Amplifler Plug-in module is inserted in the

&

2-l

2-lb

2-3a

2-3b

2-4a
2-4b

(left-hand side) and the Type

Plug-in unit

side) of the Main Frame.

know that

We

with your new

deavor,

you may set up the insrument

in calibrator

various conrols on

2.2.

SWEEP

Two trigger

Sweep plug-ins. Each Time

own separate triggering

To obtain a stable

sistently

cycles of the input waveform. If

to occur

of occurrence of the input waveform, the

pattern will be traced

start at the same time relative to recurring

at random

to 2-41

2-l

have

rrrust be lnade.

Maintenance and

Porogrcph

5-9

5-r0

5-l I

5-17

5-t I

5-19

designed to aid

reler

and

Adiuctmcnt

lcngth

Swecp

Col

lcngth

lniensity

Correclion

plug-ins

initial adjusttncnts

Section 5,

to

the paragraph indicated,

to

qnd

tamiliar with the

a

Type 74-13.4,

and Connectors

Type

74-13A,

Type 74.134, Triggered

Display

Type

74-13,{,

Display

Type

74-13A,

Type

74-13A,

designated, it is presumed that

Function of Controls

Normal Display

Strobe

Delayed

Armed Strobe Display

Armed Delayed Display

Triggered

74-l3A

Time Base

is inserted in the X cavity (right-hand

you

are anxious

instrumenl To aid

demonstrate the effects

to

signal

the display.

IRIGGEIING

get acquainted

to

you in this

using the

circuits are built into the

Base is provided with

facility.

display, the sweep

the

at a rate unrelated to

or

at a difterent point on the

out

must con-

sweep

been

ever

and

the

Delaying

Y cavity

en-

built'

of the

Delaying

its

is allowed

the rate

displayed

INSTRUCTIONS

screen each time the sweep

the waveform to

drift

ligible. The sweep theretbre

input

signal, or by sonre

tinre relationship to

poses, the starting of each

the screen

rnay be callerl

lollowing instructions tell

the proper

triggering signal

2.3. TRIGGEI SOURCE

lnlernol

o.

For rrrost applications,

by the

the signal amplitude

To

signal,

ternal triggering

Y input signal.

obtain

riggering

set the TriSger

is convenient

gering connections

are obtained

in rnost applications.

b. Extemql

Sornetirrres

it is advantageous

with an external signal.

pecialty useful where signals

lrom several difierent

With external

reurains constant in amplitude

a

possible to observe the shaping

signal

oscilloscope triggering
AIso, time

forms at difierent

in an external

For example,

rived from

tirrre relationship and phase of the

in the circuit are cornpared

1>oint

by the displayed waveform.

When a

it is possible to observe and

able,

jitter

of

trigger input signal. This is not

is

sweep

signal

scope

trace
show the proper time relationship

displayed signals. To

ternal triggering

nray

to display the

External triggering should also be used

amplifier

riggering, the

and phase relationships

points in the circuit

if

the external

ihe waveform at

stable,

external

the displayed waveform with respect

triggered internally.

b€ used to externally

module in

signal

runs. This

the screen or to

across

must be triggered

signal which

the input signal.

horizontal

"triggering

yorr how to select and use

for various applications.

SELECTION

the sweep

The only

be sufficient

of the

SOURCE switch

are required.

Exrcrnal

are

places

triggering

circuit without

controls

the input to a circuit,

triggering signal

entire signal.

the

obtain a

must have an amplitude

will

bears a

For

waveform across
the sweep." The

may be triggered

requirement

to triSSer

sweep from

either

be

unintel-

by the

present

is that

the sweeP'

the input

cause

to INT.

since no external

Satisfactory

to rigger

triggering

going to

within an

signal usually

shape. Thus,

and

and amplification

results

the sweeP

is es-

be sampled

instrument.

resetdng the

for each observation.

between

riggering signal

waveforms at each

to the

the wave-

can be seen.

is de-

inPut

signal

is avail-

accurarcly measure

to the

possible when

A

trigger

preceding the

trigger the oscillo-

with

a dual-

AlTernate mode to

between

stable display, the ex-

the two

fixed

Pur-

In-

trig-

it is

of a

the

the

of

at

2-l

section

2

operoting instructions

-

DA

\

FACITIII€S

Tdg!f,. Lr.l S.l.d.r,

lrcb io .rt nd dc

FrI

l.tdini t

.rr fig;
Y.rrb

OlSttAY IOCIC tril.n

T.i99.r L.v.l S.lGror:

pel

le.ling io

+100V

..w..

co.rrol

t.ob to .

a

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DEI.AYIl{G

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Yo

LDtuYEo

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oll

I

r6flu

t(I

tl-l

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ltoflItt

dG

At{D DtuYilrG

rUIO

,S'

SWEEP

,Ih

nnuEo

J

''/'

l 5 2:

TimffitfiG

stP cll

C

uit

IlI'

ul

s0utct

I

.l

cllt

s0ufltt

t

I

Ill

TRIG

me

E*.rnol lrigs.r

Ahpli6.r

Irifff,

rit h.'

D.@-Ard.d

+

GAIE

.id.it

Sw..9, 2.5V 500l)

SAW o{lput

with rh.

25V, l0(

+

GA'IE ouiFl,t .oin-

wiih

.id.nl

Sw..p, 2.5V. 500()

Trigg.r

.wiiGh6
No.nql o.d D.loring

o. X

Input.on...-

.lidt

S.l.cl,o.

for lh.

13)

5*..p

otpol <oi.-

*ilh rh. DA

coin.id.nt

NDT 3w..p;

I

rh. NDT

did.

S.l..tor

lor

13,

lhc

2-2

il;tffhi'li*-

Figvrc

2-lo. fype 74-l3A Funclion ol

'

clnoi. i., u.st

Xt STAI .onhol im-

vs .&nld6vn dnd

s:I";,if:*#

rion .ot

NDT FACILITIES

I

Controk ond

::'.'i::,:J"ff:iJ?'

Connecrort

_l

operoting

BEm mrilion

instructions-section

2

DELAY ZERO GontrcI

prci..

p.rmit!

VERNIEI r..o odiurl-

DISPiAY LOGIC aw ch

d.t.rhin.. 3w..p oF-

.,olionol modG, !..

Con..n[i.
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!.ran;

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DELAY VERNIEI

l.ol

d.t

rc.... dirlonc.

no'nol

th.

which

ot

,wcp ir .ilh.. l ig-

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lioh. dr on a..ordl.

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DEIAY

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normol o, .t-

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pull

tnob

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Eultipli.r vh.n

eilh

con-

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?#'ffiI" \-?J.h"..?-/

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LI

I

CAL <onlrol

SIVEEP

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Int!

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TIORIIAL AITD DEI.AYII{G

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& OA Trl4E/DrV

S.l..ror !rit.h.s: lnobt

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or th€

DA tw..p lnob

con b. di!.ngog.d

rot.l.d

!.porot iy;

c.nric knob

Y.mi.r 3wccp

lomp

IUNCAL

ond

con-

provid.r

opcrolion

lightt)

Figvte

SWEEP

indi.ot.. DA Swnp ir

orF.d ond

2-lb. fype

lo'np

READY

r.odI to

74-l3A Fvnctioa

ftrfru f,r

o, Controls ond

Cornecrort

2-3

section 2-operoting instructions

least 0.5 volt,

time relationship

external

signal to the
ger SOURCE

Line

c.

lf the

ship to the

triggered

Trigger

coupling mode with LINE Trigger Source.

IRIGGER

2-4.

peak-to-yeak (l mc)

to the disptayed

signal

pattern

SOURCE

lbr triggering the sweep, connect

TRIG

EXT

switch to EXT.

on

power-line frequency, the sweep may

by this

signal.

COUPTING SEIECIION

connector

display bears a frxed time relation-

To accoruplish this, set the

switch

to LINE. Always use dc

bear

and

signal.

and set the Trig-

6xed

a

To use an

the

o. AC Coupling

Selection of

by setting the COUPLING switch to AC. This rlode

is provided with a high-pass filter that has a low-fre-
quency cutoff noruinally at 80 cycles, This feature

prevents

tern vertically and using internal triggering. In the

AC ruode, triggering

ponents o[ the

tioning of

selected to provirle the desired tlisplay via

the AC triggering rnode is accomplished

erratic

triggering when positioning the pat-

is

unaftected by the rlc com-

triggering

the

race.

signal or

The

by

vertical posi-

the

triggering level can

use of

the

Tlig LEVEL control.

When using the

switch

point

is

set

the Wovef ol n for a given Trig LEVEL

on

control setting regardless

Note:

AC coupling

calibrator signal or lquare

cycles,

severely integrates

rnended

fornrs

lbre discrinrinated against by the low-frequency

rnay be

lbr these

DC Coupling

b.

The DC

ruode is especially useful

which change very slowly and which are

ot the AC position (80 cps). llecause of

network tinre
randonr repetition

stably

in the DC rnode, This urocle pennits excellent

triggerirrg on all tyJrs of waveforrns and

AC rrrode, the Trigger COUPLING

to AC. The trace always

the vertical positioning.

o[

triggering on the line-frequency

wave signals less than

erratic

since the 80-cycle cutoft

the trigger. DC coupling

signals.

starts at

the sarne

is reconr-

for viewing wave-

there-

cutoft

the coupling

constant in the AC rnode, signals having

rates

are solnetirnes

viewed

is rnost useful

ruore

l(X)

6lter

in the lbllowing applications:

l. For optinrizing trigger sensitivity or operation

low-[re<lrrency

when

For maintaining the initial reference position of

2.

the uace with

signals

respect

are applie<t:

to the CRT scale at a

given

TRIG LEVEL control setting when on Internal

source: anrl

3. For avoirling rigger point variatiorrs

dorrr repetition rate

triggering signals.

rlue to ran-

be

be

When

switch is

trace

always starts at

a given

setting of the Trig LEVEL control

using the

set to

DC mode, the Trigger

DC. When using internal

the sarne

point

on

COUPLING

source, the

Scale

the

for

regardless

of the vertical positioning.

c. ACF Coupling

The ACF

rnode

is a

special

high-frequency lbrrn

the AC urode and is used to reject low-freqr.rency

components in the triggering signal. Use AC trigger-

ing

unless low-trequency rejection is required. Trigger-

ing

signals with

lbr exarrrple

sweep circrrits

ACF mode

hace

mod,e,

ACF ruo<le

of the

gering.

Signals nrust have

l0 g,sec

tirne

signals are to

ing.

Note that the Type

plug-ins

pernrits

the

ACF electronic

Occasionally

the calibrator

when the ACF ruode is

uill asmre

plug-in

ond,

two channels

when it is

using internol tt igger

prevents

when using the ACt'

provided

are

triggering from one channel

it is required

fre<luency

the difterence in positioning

froru interfering

be

switch

corrrponents

signal,

ttiggeting

stable

set up

rise or

<tisplayed, use external trigger-

76-08

fo|

fall

mode.

and

with a selector

below l0

rnay

not initiate the

Also,

use<l.

the

lxnn

alte|nate

source.

with

Thus the

stable trig-

times faster than

If slower dual

multi-trace

other

switch which

Kc,

the

d.ual-

sueep

level

only. Therefore

mode no

to

longer applies.

obtain stable trigger-

ing fronr a corrrplex high-frequency wave[ornr that

contains

querrcy cornponents. In such

and line pickup rnay rnake it difficult to

stable

rlo(le, thereby

<lesirecl corrrponents. The low-frequency corrponents

are blocked fronr the riggering circuit while the high-

frequency triggering

the

respects, the ACF

,A.C rnode.

unclesirable low-trequency noise or line-fre-

cases,

the additional

display. Il this occurs, select

elinrinating

waveforu

stable triggering that

is

[iggering

the ACF

the efiects

is

of

passed to produce

required. In all other

rnode is identical

noise

obtain

triggering
these un.

to the

2-5. IRIGGEI SLOPE SEIECIION

When

sweep is riggered on the rising

the Trigger

SLOPE

switch

is

positive slope of

or

set

to

+,

the

the excitation signal. When the Trigger SLOPE

switch is set to

negative

or

2.6. IRIGGER

The Trig LEVEL control

specific voltage which

ceed betore

switch is set to rhe

Trig LEVEL conrol

sweep consistently

the sweep is triggered

-,

slope o[ the excitation

IEVET

SEIECTION

perurits selection

the triggering signal must

the sweep fires.

When the Trigger SLOPE

position,

+

urakes it possible to trigger

on the positive slope

the falling

on

signal.

o[ a

ex-

adjustment of the

the

of the ex-

of

a

2-4

Mltflal

Io obl,oin

.r&p. t.l

p.rforn

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DrSPtaY

swEEP

th. .qlib.otor dirploy u!i.g NOR^IAL

th.

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ih.

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instructions-section

o. rhorr ond

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2

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Normol

Dirploy

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S.t rully

{NORM}

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2-5

section

2

operoting

-

instructions

S.r DETAY VtRNlEl

diol ,o 0 ond

th. OELAY ZEIO .on-
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Figure 2-3o. fype 74-l3A friggered

inr ro 5 nstlc

m6inm

-

fir

Strobe Disploy

2-6

operoting

instructions

section

-

2

DISPTAY O' CAL

SIGNAL

Lo..

{ol

(b)

i.i..rifi.d

Erpand.d

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by 6.

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Doti.n

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fu[

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r

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--

5

-

71-l3A Deloyed

tfiggered

Disploy

2-7

section

2

-operoting

instructions

thi. ir

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2-3b.

ond

of

rlt. <onlrcl..6dlY

S.l

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Armed

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Disploy

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SECI.

mSEC

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2-8

DIgPI.AY Oi CAI SIGNAL

LOGIC

OISPLAY

S.r

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DELAY.

operoting

@u

instructions

section 2

-

(a)

Figvre

2-4b.

t:;

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d.loy-orn.d

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opdqtor, but inn.6d i. inifior.d by th. n.rt ruilqbl.

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iha

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lype 74-l3A Armed

mod., th.

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Dizploy

I

;

noi

i!

2-9

section

2

operoting

-

instructions

citation

switch set

LEVEL control

consistently
signal.

ntay be

pulling

tion.

2.7.

signal.

Normal

extendecl

the

SWEEP OPEIATIONAT MODES

Conversely,

to the

position,

-

makes

it

on the negative

trigger level

to

I00 volts

:t

Trigger LEVEL

with the

adjustruent

possible

to rigger the sweep

slope ol

range

on external

knob into EXT/10

Trigger SLOPE

the

is

tl0

o. lntroduction

When

the start

period

application of the triggering waveform.
plished through

Base and the

NDT Time Base is

delay while

horizontal

duratiou o[ the

TIME/DIV

tings.

The delayed sweep ltature of this instrument

be

increase

magnification of a selected portion

sweep, accurate tirne rueasurerrrents,
neasureDlens

to pick

scan or

b. Sweep Rongc lndirotor:

The NDT TIME/DIV

indicator window nrounted

TIME/DIV

is identified

knob of

Delayed

permits

to adjust both

Delayed

rotated indepe[dently

NDT sweep rate.

c. No.mql Swo.p

lvhen

NIAL,

ing is derived

line. External

EXT TRIG connector.

d. Triggered

\Vhen

gered

using the Delaying Sweep

thg horizontal

of

of from

I

simultaneous use

sweep can be delayed {or

rnicrosecoud

DA Tirne Base. In this application,

used to provide the accurate

the DA

sweep at the

and the

employed

in a nuruber

its versatility.

of wavefornr

off and display any desired line

to check pulse-time

switch

as the Delayed Sweep knob. Turning the

latter

the

Sweep tiure duration.

the outer'knob to

Su'eep range knob nray

Tiure Base provides a normal

end of the delay

sweep delay is

DELAY VERNIER control set-

o[ special applications to

Such applicatiorrs include

jitrer.

rnodulation.

switch

on

is urounted

will also

engage

sweep ranges

to sweep rates faster than the

Dirploy

the DISPLAY

only the NDT

fronr the displayed

signals uray

Strobe Dirpldy

the

DISPLAY

STROBE, and

LOGIC

Tirne Base is displayed.

be applied

Reter

LOGIC

the Delayed TINIETDIV

Base Plug-in,

Tirne

to

seconds after

20

This

of the

controlled by the NDT

an

of

and accurate

Also, it is possible

of

is provided with

a plastic skirt; the DA

top

on

perurit

A

sirrrultaneously, or the

switch is set to NOR-

this

of

control

push-pull

the

skirted knob

be declutched and

signal internalty

to the lower

to Figure

switch

2-2.

is

set to Trig-

the Trig

of

excitation

volts. This

source by

posi-

is

accom-

NDT

Time

time

period.

a television

The

rnay

high

undelayed

skirt and

of

clutch

Trigger-

switch

the

an

the

or

is set

for a higher

DIV

switch, a portion

(See

Figures

brightene<t
Delayed

the

Delayed

uray

be positioued

VERNIER

adjusted with

that

the

ol the latter

sible to inch,rde

in the

brightened

The arnount

a

tion

of the triggering

Sweep

is pemritted

setting

DELAY

occrrt iurrrre<liatcly

1;rliod.

tlre

This rrrocle

Delaye<l-Triggerecl

of operatiotr

tinuously

tirne

arrd waveform

The Delayett

the Normal

brighteuing

STROBE positions.

e. Deloyed

When

gered

DELAYED,

play

in the STROBE

scale. See Figures

The amourrt

NDT sweep rate

magnification

,

IIaEnifrcation rittio

For exarnple, if

to I mSEC, and

to I

pSEC,

uragnified horizontally

LOGIC

tion.

Normal

This
DELAYED

switch

Autonratic provision is rnade

Sweep when

pernrits

f. Deloyed-Armed

If

the display is set for

the delayed

indicated

applied to the DA

sweep rate than the

o[ the sweep tnay be

2-3a and

portion

Sweep

Sweep

control.

start o[ the

control.

(Strobe) irrclicates

ancl the

length of the

cluration. The

left

or

The length

thc

Delaye(l TINIE/DIV

stobe is not afiected by

Using these two

any portion

or strobed area.

of delay occurring

wavefomr

to run, is determine<l

of the

VERNIER control.

NDI' TINIE/DIV

at the en<[

frortr uow

su'eep rrrotle.

that

pernlits the

variable

delay

jitter

Sweep

Su'ec1t

of

the

Triggered

the DISPLAY

autouratically

is

ternrinated.

sweep retrace in

Dirploy

LOGIC

the brighterred

position is

2-3b ancl 2-4b.

of nragnification is

to rhe

ratio ulay be

Norrnal Sweep Rate

-

)elayed Sweep Rate (TirrreTDiv)

the NDT TINIE/DIV

the Delayed TINIE/DIV switch is set

the brightened portion

1000 tirnes when the DISPLAY

is

set to the Triggered DELAYED posi-

the Delayed Sweep is terurinated.

rnaximurn

N'TODE.

duty-cycle perforrrrance in the

-

Operoiion

sweep does not

delaved period

trigger circuit.

until

NDT TINIE/

brightened.

2-4a.) The start

the start of the

strobe

start

of the stroh

right

with

the DELAY

ol the strobe nray

corrtrol. Note

controls,

of the display

fronr

the applica-

unril the

switch ancl

The

Detayed

of the

on will lrc

operator

tirrres for uraking

tneasurements.

Sweep

preset delay

referre<l

It

is thc ruo<le

to select con-

shtrts

This prevents

either

switch is set to Trig-

section

now

Delayed Sweep

expresse<l:

of the dis-

expancled to full

the

ratio of the

(Tirne/Div)

switch

of the swcep is

for

shutofi of

Delayecl-Arnred

start at the

operation,

en([ of the

a triggering

This triggering prrlse

of the

inclicates

the

setting

is

it

pos-

waveform

Delayed

by the

the

will

to as

accurate

off when

of the

rate. The

is

set

the

pulse is

be

2-to

operoting

instructions

section

-

2

nlay be

either the input

ot an externally-derived

irrg Source,

in the sanre lnanner

antt DELAYED

Arrrre<t mode

not start

DELAY VERNIER

setting, but instead

triggering following

ruro<le

.{rured urode

2-4b.

The arrtted clelayed

to be conrirruously variable.

lrc

used whenever

cunrulatiye

sweep

g.

Auto

sweep ranges'when

sweep free

cies between

cycles

nal

immediately

mode.

lng

srgnal ls

running

,The

when

will

always be

to

the

operation,

Coupling,

Slope, and Level nray be selected

as for

triggere<l operation.

of operation,

lxecisely

at rhe delay rirne indicated by the

and NDT

is initiated by

the indicated delay interval. 1'his

frorl now on will be

of sweep operation. See Figrrres

tirne

jittel

and the delaye(l magnified

Automotic

triggering

runs

is

applied-

thus

-providing

mode

autornatic

doing

-oscilloscope.

set the

the signal to be displayed has ac-

between the

NDT

Swrep

provides

there

undl

a trigger

l0

cycles and

The application

switches

stable sync.

removed,

after

the

a delay

NDT

equipment

visible

with

To

obtain automatic

Sweep Mode

AUTO position.

h.

HF lecurront

Stable synchronization

nals

can.be

is

operadng in

tion

-is-

switch

improves
ing

repetition

stable

to

beyond

i.

Single-Swcop

Sirrgle-sweep

nloves

sweep to view a varying

overlappd

displays

r'hen

ever,

input

shape,

best accomplished

selected by

in the

the count

synchronization

50

but one

arrd rrnintelligible

being

it is rlesirecl

signal which

or tinle, the instruurent rnay

Sweep

the

recurrent

setting

HF

RECUR

down

rates

of

5

of

Mc.

Operotion

oyleration irrlers

sroke rrntil reset. Using

wavelorrrr u'ould

suprinrposed on

to view a

continually varies in

wavefon to the oscilloscope

niggering

the conventional STROBE

signal. The

In

the

trigger-

Dclayecl-

the Delayed Sweep does

TINIE/DIV control

next

the

referrecl to as the Delayed-

<lisplay does

The Arnred nrode

srritable

2-4a ancl

not appear

shoul<l

start o[ the nornral

section.

visible

a

is no

approximately

base

line

signal input.

signal with

on all

The

frequen-

l0 6ega-

of the trigger

the sweep

sweep

of about

sweep

testing

or without

very

of

when

mode.

rhe Sweep

position.

and lock.in

Mc

or

signals of I

to

the tiiggered

When the

reverts ro

trigger-

the free-

I second"

mode is

since a reference

high

greater.

very

a signal

NDT

toggle

Recurrent

switch

frequency

the NDT

Mode

Use of this

of signals hav-

Ii provides

cm deflection

applied

uselul

trace

sweep

sweep

operi-

[%gle

switih

that the tirrre base

a reptitive

result in an

<lisplay caused by

one another. How-

single <lisplay of an

be

many

amplitude,

set up for

sig-

sig-

O

single-sweep presentation.

one

stroke of the

ation

elinlinates the

tiple traces

or recorded

Single-sweep

Delayecl

the Delaye(l SweeP is

Sweep

sweep at

and enables the display to be vie\^'ed and/

clearly.

operation

in

the Delayed

the NDT Delayiug Sweep,

to trigger the NDT Delaying

1:lishe<l

Sweep LEVEL control to

by

connector. The Delayecl Sweep will

uDtil

sweep will occur

are locked oua until

words,

tinre

travel, the beam will

The

the
trigger signal arrives.

2-8.

thc sweel) nray be

nrantrally by rotating the NDT Delaying

a signal

applietl

triBger signal

a

after

a single trace will sweel) across the

the sweeP is triggere<l and at the

'l'o

rearrrr the sweep, procee<l as instructed

will

swecp

screen arrd

SWEEP

then

is

arrne<l ready to

EXPANDEN

When the POSITION control

exl.rarrderl

o[ l0 about thc screen center. Thus,

exparrsiorr
segrrcnt

TION control

o[ the

tlte POSITION coutrol.

of a desire<l segrnent of the

inierest

of

exparr<led

to rhe screen center with the POSI-

and pull out this control. Any portion

<lisplay nray

Thus, by corlrnandilg but

a tirne,

overlapping

is

single sweep

cause<l

by the

obtained by using the

Arrred rlo<te. Since

arnred

to

the

by a trigger derived froru

the

arnlirrg procctlure

Sweel:. This is accom-

both

extrernes

the ND-I-

EXT TRIG

electrically

or

renrain anrretl

arrives

which further incorning

to fire

the sweeP. One

circuit is rearnre<l. In

screen each

triggers

end

rest ofi
retrace to the left hand si<[e

screen.

fire rvhen

the rrext

knob is pulled

horizontally

It

observecl by adjusting

bv a factor

to achieve

trace, set

an

oper-

nrul-

input

other

of its

above.

out,

Xl0

that

lVheu the irrstrurrrent is set up tbr Xl0 expansion

of

the sweep,

the

sweep rate

indicated by the

setting

of the TINIE/DIV control rrrust be divided by l0 to

obtain

one division. For

is

rnilliseconds,

slon.

2.9.

the Main Frarrre
panel

the actual tinre required

exanrple,

set to l0 nrSEC, the actual tirue

<livkterl by 10, or I millisecond per divi-

SWEEP CATIBRATION ADJUSTTAENT

Whenever

thc

-I'irrre

Base Plug-in is removed

and inserted in another, rhe

screwdriver

SWP CAL control lrrust be

This procetlure is necessary

ence in

'I'irne

Y

be

plate voltages

deflection sensitivity

proprly

tweeD the plug-in

as lbllows:

dellection plate

Base

unit is switche<l

cavity

of the sarne Main Frame,

necessary

since the difierence in average deflection

between modules

noruralize

the gain between channels

unit aml the Main Frarrre, proceed

sensitivities. In addition, if

of the carhode-ray tube. To

for

the sl)ot to nove

it the TIME/DIV control

per

division is l0

from

front-

reset.

to conrpensate for

from the X cavity

readjustment will

affects the

difier-

the

to the

over-all

or be-

is

oI

2-tt

section

l.

Set up

CAL

signal. Allow

Figure

trol for

(60-cycle

for 5 cycles

use 0.5

for

2-2.)

2. Set TINIE/DIV

3. Adjust SWP

NOTE:

msec/div sweep and

2 cycles of the calibrator display.

2

-operoting

the itrstrurnent

a warmup

C.{L front-parrel

precisely 6 cvcles

line)

iu l0 divisions.

For

5O-cycle line, adjust SWP

of the calibrator

2-r0. x-Y otsPt AYs

KEEP INTENSITY

Screerr <larrrage
bearn resting

When <lesiring

another

signal to INPUT A connecror

the

the

to shorv

rneasurernents,

sinrilar

Set

(not the internal

X signal to X AMP

Delayirrg Sweep module.

sweep

signal relationship.

the DISPL.{Y LOGIC

carr rcsrrlt

at orre point

to view

signal generator plots, Lissajous phase

curve trace

DA Trigger SOURCE

SLOPE

X.4,\IP

display

2.I I.
is

+ GATE.

into

shor.rld

thau l5
other

vierv the

on the

pulse

the leading

no signal

rneasured

counter.

neasure

oscilloscope in
the tiure duration

DIV

operator

.

\-

the

ar-e thrrs

switch

ATTEN con[ols

the

on

GAIE

A positive

available

The gate amplitude

irupedance

an

be gteater

pf. This

devices in

output of

oscilloscope.

Use

of

the

generators

edge of the pulse

clelay is incorporared

1'he

perio<l of the

extrerrrely

Since the pcl io(l

of total

anrl

the V,\RI.\BLE

to rlisplav

entire

srveep. Tirling

readily obtailable.

ro

+.

screen.

OUIPUT

gate coincident

on a front-panel

of 500

than

positive

order to

such <levices

gate

ourput in conjuncrion

will perrnit

sweep tinre, it is

conjrrncrion

of input signals.

the rvavetbrn

for nonnal display

switch

tirne

to l0

l5 minr.rtes.

of

mSEC.

screwdriver con-

o[ the calibrator

display. For 400-cycle line,

adjust

CAUIION

SWP

LOW

[rotl too irrterrse

on the screen.

one voltage plotted

tinre base)

on the Y Plug-in and

(green) BNC connector

X-Y displays nray be

itrforruation and

swirch to X ALIP,

switch

Adjust the

Posirivc

accurately

to EXT, and the

VOLTS/DIV

to

obtain an aPpropriate

r.ith

the sweep

BNC

counectoi labeled

is

volts

2.5

ohtrs and load irnpedance

l00K

ohrns shunred by

pulse nray be

achieve

usecl to trigger

sufficient delav to

conrpletely

with triggered

rhe

instrutnenr to display

waveforrn

in

the Y

gate

n)ay of course,

with an

of the

gate outpnt is

possible

u'ith

a corrnter to

Use

of rhe TIttE/

controls

accuLacies

rtill perruit

to lrc nreasurecl

of I

instructions

of the

(See

display

CAL conrol

CAL control

a

against

used

other

the

DA

and

olrrpr,rt

less

be

a direct

cligitize

the

over

in lOi

Y

on

zontal

Step I by rhe I'IME/DIV

cau

urrit

CAL). To

repetition

ceed as follows:

apply the

nourinal

displlyecl

even tholrgh

Arnplifier.

electronic

to use this

l)arr

2.I2.

SAWIOOIH

A

front-panel

positive-going
tude.

The

saw

volts

oI ground

sweeP.

The

sawtooth voltage nlay be

tlelayed

as a tirne base

sawtooth

ance

trrore

ator

2.I3.

scope

tirrre

brated

CAL). Use

nreasure

of interest

val, proceecl

the clisplay

activities,

output

to

ground

than

15 pf. Voltage

probe is

TI'IIE

o.

How to lvloke

UsinE the

,{ny

horizontal

can be

when

the tinre-base

sweep

of

rhe

on the

l.

Using

the calibrated

(listance

whose time

MEASUREMENIS

as follorvs:

2. llultiply

the

tirne

interval.

b. How to find

Uring the

The

repetition rate

be expressed

OUTPUT

connector

saw

ol approxirrrately

outpur

and is

is referenced

time coincident

controlling

for associatecl

should not be loaded

less

of

than l00K

recorutrendecl.

Elopred firne

CRT

Scqle

distance

used

to represent a precise

(TINIE/DMernier

this fearure

elapsetl tinre

clisplay.

in divisions between

interval

the horizorrtal dirnension

See Figrrre

Repetition

CIT Scqle

or frequency tbr

as the nultrber

of tinre (TINIE/DMernier

use the

rate

ELAPSED

oscilloscope for rueasuring

or frequency

TIME EOUALS:

T

I

x

E

s

Figwe

2-5.

Elopsed fime

labeled

SAW provides

25

within

with

used

an X-Y plotter,

analog

take-oft

on the

circuits are

equiprlent.

oh[rs shunted

through

Meosuremenl:

screen

set up for cali-

control

1>enrrits

benveen

To rrreasrrre

scale, nreasure

yott to

the clesired point

the rinre inter-

that portion

you

wish

conrrol

setting

2-5,

Rote

of cycles or pulses per

Frequency

of

periodic signals

control set to

of perioclic

,Ueossrement

volrs

arnpli-

minui

the NDT

for initiating

or actint

The

by an

irnped-

by no

an attenu-

the

of

oscillo-

interval

set to

accrrrately

the hori-

to find.

obtained in

to

obtain

the

signals,

pro-

a

3

of

of

2-12

operoting

instructions-section

2

l. Using the calibrated

clistance

display under observation.

2.

Step I by the TINIE/DIV

3. Take the reciprocal

Step

quotient is the rlesirerl

cycles per

2.I4. PHASE.SHIFT

To rueasure the

l.aves, ploceed as follows:

in divisions

Multiply

2 (that

the

is,

second. See Figure

Cycles/secon([

occupied by one cycle

horizontal

divitle it into

[ret;uency or reperirion rate in

TTEASUIEMENTS

phase

measure the horizontal

scale,

dirrrension obtained

control setting.

the product

of

one). The

2-6.

=

Tinre (seconrls)

difierence between two sine

obtained

resulting

l. Set up the Delaying Sweep Tirne Base for ex-

telrrally triggered norrnal

2. .\pply one o[ the sine llaves to Channel A Input

arr<l

the other to Channel B Input

.{nrplifier.

3. S€t NTODE switch to ALT.

4. Adjust the TINIE/DIV

cycles oI the

5. Position the display

slopcs
harrrl

sirle o[ the scale.

lleasure

6.

cycle o[ the wavefonn. Label

Nleasure

7.

display. Label this distance B.

8. Divide the distance neasured

distance rneasured in

by

3ti0o.

between

(lisplay

crosses

The resulting

the two sine waves.

horizontal

the

the horizontal distance

horizontal

the

sweep operatiou.

of

switch lor a couple of

on the screen.

so that

one

center line at rhe left

this distance A.

shift of the Channel B

in step 6 by

step

product is the phase

multiply

7 and

See Figure

the Type

of the positive

occupied

the quotient

difference

2-7.

of the

76-02.4

by

one

the

in

in

11

Figurc

2.I5. PUTSE WIDTH

CRT

Assume you have

Figure

to

the pulse appearing

this measurement, proceed as follows:

l. Make

fully clockwise

Set the

2.

GERED STROBE.

Pull

3.

it and rotate it

until the desired pulse

4.

Set the DISPLAY LOGIC

GERTD

in

divisions trom the

pulse

to the

ply

this distance by the DA TIME/DIV conftol

ting (Figure

2-7. Phore-5hift /l{eosuremenrr

IAEASUREMENTS

SCALE

Nonnal

a

and you wish to ureasure the width

2-8

on the pedestal

sure the TINIE/DIV Vernier control is set

to CAL. (Click

DISPLAY LOGIC switch to TRIG-

or"rt the DA TIME/DIV knob to disengage

and the DELAY VERNIER control

is intensified (Figure

DEL.\Y and nreasure

50/o

point

50/<

2.8b).

on the fall of the pulse. Multi-

sweep display similar

is

the horizontal distance

point

USING THE

pulse.

heard.)

switch to TRIG-

the rise of the

on

To

2-8a).

of

make

set-

phase.shift

REPETITIOII

Figvrc 2-5. Finding ihe

difierence

RATE OR FREOUE]ICY

EOUALS IHE RECIPROCAL OF:

T

I

E

3

:

=

a

f

CYCLES/SECOIO

IN

oF otv

Frcquency

loo.

TRIGGEREO

o.

l---------.l

i,--------\l

50%

IFHoR

=F

(DA TINIE/DIV

TRIGGEREO

b.

Pulse

width

Figvre 2-8. Pulse

STROBE DIS PLAY

rl{

oEFL

Otv

OELAY

:

setting)

(Hor Defl in

rl,lidth

---.1

PLAY

OI S

rl,leossremenls

Div)

2-13

section 2

operoting instructions

-

2.16. PUI.sE WIDTH

DEIAY

1'he follorving

(parallax interpoladon

be used

l. Nlake

fully clockn'ise

Set DISPLAY

2.

STROBE

the signal.

Pull

3.

to the right

dot.

4. To

VERNIER control

palt

of the leading

Record

2-9a).

5. Turn the

the bright dot

of the same pulse

reading,

6. Subtract the

step 5. Then

VENNIEI

technique ayoids hurnan error

rvith more

sr.rre the TINIE/DIV

than routine accuracy if needed:

to CAL

LOGIC switch to TRIGGERED

and acljust

out the

the

DA TINIE/DIV knob and turn it

until the intensined

measure pulse

until the bright

edge of

the dial

reading.

DELAY

to the

50/c

(Figure

reading

nultiply

the NDT TINIE/DIV

pulse width.

2.I7. PUTSE

Pulse

variations

aurple, assuure

the

screen and it is desired

the train for

JITTER MEASUREXIENTS

jitter

rnay be defrned as

in pulse

jitter;

spacing in a pulse train. For

normal

a

to

check,

IIEASUREiIENTS

CONTROT

graticule lines) and should

of

Vernier control

(click is heard).

controls for several cycles

area

USING

is

a small bright

'HE

is

width, turn the DELAY

is

spot

the desired pulse

VERNIER control

point

on the trailing

2-9b). Record the

of step

the difierence by the setting of

switch. The product is

small

pulse train is displayed

to check a small pulse in

proceed

ar the

+ frour

incremental

as follows:

50%

(Figure

move

to

edge

dial

that of

the

set

ex-

on

of

PULSE JITTER,

Figurc 2-lO. Pulte

l. Set up the instrument for external

Set the

2.

GERED STROBE.

3. Pull out the DA

to

the right until

display

checked.

4. Adjust

strobed sector over the pulse.

Set the

5.

DISPLAY LOGIC

is about the same width as the pulse to be

the DELAY VERNIER

DISPLAY LOGIC

(HOR

0EFL

rX

0rV

) I

OA TrME/o|V

Jiltq /Ueqrureman,

triggering.

switch to TRIG-

TIME/DIV knob and turn it

intensified

the

zone (strobe) of the

dial to

switch to DELAYED

move

TRIGGER and adjust the DELAY VERNIER

trol to position

6. The leading

jitter

show

rneasured in

tance in

the DA TIIVIE/DIV

divisions of the

the suobed

edge of the strobed pulse

if present.

time by rnultiplying

knob. See Figure

pulse

to

The amount

the horizontal dis-

jitter

area by

screen center.

will then

jitter

of

2-10.

can be

the serting

)

I

the

con-

of

2-14

BRIGHT

q

=

Ai

=

Pelse

lst DEIAY VERNIER Reodins

:7.65-3.15

b-q

width

Figure 2-9. Puke Widrh /UeoturemeDrr

:
:

lAr)

11.201

=

(NDT

(2

1.2O

TIME/D|v

mSECI

:

8.4 mSEC

sefting)

:

b

2nd

Given:

Using Deloy Vemier

HT

DEIAY

Sweep Rote

VERNIER Reoding

Diol

DOT

=

2 mSEC

sEcTloN

3

3-1. TNTXODUCTTON

(Figurer

To

sirnplify circuit description, functional block

and waveform

LOGIC switch settings

Figure
Figure
Figure
Figure
Figure

Figure ii-5. Siurplified

Figure
Figure
Figure
Figure
Figure
Figure

tigure

The tirning

points

Iationship.

waveform

nrentioned

interrelation

ation. It is

the rear

circuit

3-2.

in the

The circuit

description.

TRIGGER

(Figures

o, Normol

Since the input o[ the Norrral

ing

circuit (NDT)

(DA) tlig^gcl circuit,

3-l ro 3- 12)

timing diagrarns at various DISPLAY

are provided as follows:

3-la. NDT Trigger

Block

Diagram

3-lb. DA Trigger

Diagrarn

3-2. Nornral Sweep Nlode,

Block Diagrarn

3-3. Tirning Diagrarn

Display

3-4. Triggered

Block Diagram

-

Triggered

3-6. Delaye<l Triggered

Block Diagram

3-7. Simplified Timing

Delayed-Triggered

3-8. Arnred

Sirnplified

3-9.

Strobe Nlode, Functional

Block

Diagrarn

layed-Armed

3-10. Delayed-Armed

Block Diagram

3-ll. Simplifrecl

tayed-Almed

3-12. Horizontal

Functional

diagraurs

circuit and in

In

addition, a

is provided.

description

illustrations.

of circuits

also recomnrendecl

of the manual

CIRCUIT DEsCRIPTION

3-lo ond

ond Deloying Triggering

is sinrilar

show waveforms

Eurphasis

rather rhan

be

3-l b)

only the NDT

CIRCUIT

Circuit Functional

Circuit, Functional Block

Functional

{or Nonnal Sweep

Strobe Nlode, Functional

Tirrring

Timing Diagram

Tirning

Dellection

capsule description

wilt be

reterred

to rhat of Delayed Armed

Diagratr for

Strobe Display

Nlode, Functional

Diagram for

Display

Strobe Display

Nfode,

Display

Block Diagram

proper

Functional

Diagram for

Amplifier,

relative tilne re-

keyed to

is pla(ed

on derail

that the

and Delaying

schematici

to in following

circuit will

for De-

at critical

of each

the afore-

on the

o[ oper-

trigger-

DESCRIPTION

De-

at

the

be

discussed in detail.

rlescription

The input to the

rtay

Trigger

(l)

tained from

of the X Inpur circuit.

be selected fronr

SOURCE switch as follows:

In EXT or EXT/10 position, the signal is

an external source through the EXT

TRIG front-panel

(2) in INT position,

Y

Plug-in unit; and

in

(3)

one sirlc o[ the 6.5 VAC heater circuit.

,4, choice of AC,

by

the Irigger

tion, the trigger

consisting

low-frequency

cutofi

high-pass filter

DC position,

the triggering

arrrplifier.

series with
protect

input

Preselves

LINE position,

oI C8203, C8205,

cutoft

is raised to l0

now has R8204

the high-pass frlters

signat is

The RC network,

the g-rid

the input circuit from damage

voltage. Shunt capacitor

the high-lrequency

The negative pulse

arnplifier

signal

the

going portion

this,

desired polarity

For positive-going

the

nection is

the

adjustable

R8222.

riggering

switch.

Thc

trigger

transformer

applied to

oI the delaying

The TRIG

diode

BAL

V8202

adjustrnent

u,hen

occurs

at the input. However, it

during

sweep

of the excitation

the Trigger

grid

opposite grid is

of

made

V8201,

by means

This conuol

point fbr

output from

shaper

trigger

adjustrnenr R8234,

through

Q8202

18201.

series coupling

sweep gate multivibrator.

SENS

at its optimum

of the Trig

the Trigger

Re[er to paragraph

uigger

connector;

ACF, or DC coupling

COUPLING switch. In

signal is applied

of 80 cycles. The low-frequency

Kc

of

when

only

either a

SLOPE switch is used

of the riggering

signals, connection

and for negative-going

to the grid

connected to

of the

is used to

all settings

V8201

which drives

The resulting

adjustnrent

trtnnel

diode

SLOPE

3-8 for a

amplifier

of three

one

the signal is derived from

V8201 ancl V8202,

sources

via

the

ob-

the

the signal is tapped from

is provided

the AC posi-

to a high-pass frlter

and R8207, providing a

in

the ACF position

shunting R8207. In the

are disconnected

applied directly to the rigger

R8206

V8201

signal component.

at rhe outprrt

chere is a positive-going

positive-going

signal. To accomplish

and C8202, in

or V8202,

due to

C8202

across R8206

the

o{

is desirable to

or negative-

the

and

and

serves to

excessive

rigger

start

to select the

signal.

of V8202. In each

a dc bias

Trig LEVEL

select rhe level

of the

Trigger SLOPE

V8202

or

diode

sensitivity.

sets the level

CR820l,

LEVEL

srvitch

is apptied

the trigger

negative trigger

CR8203 to

R8229,

control is

is

set from

is made

signals, con-

coupling

rhe

sets

The

of V8201

so that no

required

case,

source,

control

of the

to a

rhe base

tunnel

TRIG

and

re-

pius

to

ro

is

3-t

section

3

-circuit

Isor"c.l F.orr-l

description

rnrccra

I

laveur,:a

I I rn,cm I

I ls,^era

I

Figvn

3-lo. NDt friggot Citcuit, Funclional

Fo,r".

",c'l

F.o"rl

Elock Diogtam

3-2

Figurc 3- l b.

DA

fdggcr

8 X tnptt

., Functionol Block

Citcui

Diogrom

circuit description-section

3

made

minus slopes or vice versa. This adjustment

when the Trig LEVEL

Automoti. friggering

b.

When

AUTO,

comes

l0

the

synchronization of the desired input

the Sweep

the trigger circuit is

activattd. Application

cps to l0 Mc switches the sweep immediately to

hig8ered

mode.

control

Mode

This technique

is set to Zero.

&BBle switch

ungrounded and

a trigger

of

signal.

is

is

signal

insures

The

set

be-

from

stable

auto

rigger multivibrator reverc to its natural mode in

about I second after the discontinuance

ger

excitation

ence trace will appear on the screen even

absence of an input signal.

3-3. CIRCUIT

(Figuror

o. Drloying Swecp

input triggering signal

The

transistor

of

CR8205. The dc

and

Q8207,

receiving a negative
Diode CR8203 and

sequent

retrace are conrpletetl. ln the qLriescent

is

conclucting and

positive gate while

lbrward

the

CR8205 serves as a

which couples the
circuit

initiates the sweep. CR8203 also serves as

impedance diode
the sweep gate urultivibrator. After the bistable

vibrator has been triggered, the
the saw

CR8204 condrrcts anrl resets the

aud

to the sweep gate

Q8207,

signal. Consequently, a horizontal refer-

DESCRIPTION OF

qnd

3-2

3-31

NORMAI SWEEP

Gots i ultivibrotor

is

applied

Q8206,

initiates the fbruration oI

through series-coupling

corrple(l bistable

multivibrator

trigger fronr the shaPer circuit.

the lockout circuit

triggering signals until after

Q8207

Q8207

sweep

is at cutoft.

tbrnrs a negative gate during

interval.

low capacitance coupling

negative trigger fronr the shaper

rnultivibrator

to <lecouple

reaches full screen cleflection, turn-off diocle

the trigBer

swecp

nrultivibrator

which then clanrps

the

of the trig-

in

to the

the

sweep

hold ofi sub-

the sweep and

state,

Q8206

which

a high back-

shaper

runs up. When

saw.

base

diode

Q8206

after

.Q8206

tbrnx a

(liode

flips and

frotn

multi-

Q82()6

The SWP

the

LENGTH potentionreter R8263 is adjusted tbr ftrll

screen sweep length display.

b. Sow Generolion

The

saw gencrator is o[ the

The negative

Q8207

diodes CR8205,
anode voltages
This

the

is

action unlocks the integrator

selected sweep capacitor to charge linearly through

output

applierl to the ano(les

developerl

CR8209, CR82ll

o[ these diodes no longer conduct.

Nliller

the associated resistance network.

grid

The

when

oI the Miller integrator rloves

clanrp is

the

unlocked. The plate voltage

"run-up"

type.

at the collector of

the disconnect

of

and CR82l6. The

clamp and

permits

negarively

of

V8203

tbllower (V8204)

in

into the charging

capacitor is

to

flow

to

delermines

the timing capacitor

lrorn
to which the tinring capacitor

net result is

(sweep voltage)

flow in the capacitor.

tial within a snrall fraction of a

through

the

rate.

al.rplierl

rises positively carrying the

saw

cathode-

grid, cathode and timing capacitor

the same direction. A flow of current is required

if

capacitor

to change. The charging

through

change the voltage across the charging capacitor

the

charging

the sweep time.

The positivc voltage

swinging negatively. lt also

resistor.

swing on

tentls

to straighten

rnaintaining

by

Since

the

grid

V8203 remains at a con$tant

of

voltage

the

across this

current

The time required

the

opposite side of

to prevent the

increases

is

tryrng to charge. The

orrl

the charging ctrrve

the voltage

a constant current

volt,

the current

urust

grid si<te

poten-

the charging resistor rernains constant and

tirling capacitor thus charges

sweep

at a consrant

l'he resulting linear sawtooth wavetbmr

to the horizontal <leflection systern.

-.

is

c. Sweep length

The

sweep

swecp lbr any give4 sweep rate is deterrrrined by the

setting of

Portion

to the turn-ofl

trrrn-ofi diode

length,

the SweeP LENGTH acljustrlent R8263. A

of the

Positive

ernitter

CR82()4.

or the total

sawtooth

lbllower

<turation

voltage

Q8208,

o[

is led back

ancl the saw

the

If the Sweep LENGTH potentiorneter is properly

set, <tiode
going

I I <livisions on the

will

base

sweep

original statc with

ctrtofl.

returns the disconnect
CR82ll and CR8205

discharging the

now returns to
the next

is comoleted.

d. l6ckout Cir.uit

The lockorrt

vibrator

interval has reverte(l

level.

the cllrrrl.ring

is

accornplisher[ by a rlio<le

stuall irnpe<larrce,

Ietrace)

g-ate rntrltivilrlator.

tior)

of a rrew sarv

tooth wilve[olnr

pletely to its tlrriescerrt

CR8204 will conduct when the positive-

excursion o[ the sawtooth has travelled

screen.

then be conducted througlr

of

Q8206.

Bate

Upon receiving this positivb ptrlse, the

rrultivibraror

q8206

The positive step

This

positive

(lio(le

CR8204 to thc

will revert

conducting, antl

frorrr

the collector of

rapirlly

diodes CR82l6, CR8209,

to their conducting

timing capacitors. The

Miller circuit

its quiescent level and

gweep

frorrr

'I'he

sweeP tloes not

t kes longer

rlrrst lx

l)ulses

cycle after the lockout

circrrit preverrts the sweep gate rltrlti-

lxing

triggcrerl

until rhe sweep retrace

the saw to its

rctrilce irr zero tirrrc

ol

Nliller

rhe

irrteglrror tirrring tapa< iror

switch

The tirniug

citcuit tlischaruc (saw

than the llil)l)iltj of the

Oorrse<l

hekl off to preverrt

tluting

rnrrst be

tre n tly, the triggcr

the tetra(e interval.

perrrrittetl to Letrace

base which

time interval

quiescent

circuit

the forrrration

re-establishes rlre

10.5

to

peak signal

its

to

Q8207

state, thus

at

Q8206

is ready for

base

sirrre

having

sweep

excita-

-lhc

saw-

conr-

a

3-3

section

3

-circuit

description

go

I

T

I

t

unBLA'Yffic

f

c'ninFl

MILLER INI€GRATOF

a

FE6rl

uxsLArxr.6

3 lo

cnT BElr

s,Gna

clirxG

beanr

at the

is

accomplished

riggering diode

lbr

a given period

During

positive

turn-ofi

lockout

When

length,

the Miller

to

CR8206

charge<l

will

capacitor

that

ln8

The

by

the

integrator

switch

tirrrirrg
triggers

until

saw

the forward

sweep voltage

euritter

capacitor

the

saw reaches

the

sweep gate

integrator

retrace.

nor

During

is

cut ofi

through

retrigger

is chosen

the

sweep has

Polnt.

<turation

sweep-charging

clarlp.

rlust

also change

ca;racity.

lr'orrr initiarirrg

the

sweep

r.everrs

to its

left-hancl

by

side of the

holding

CR8203 at a

after

the corrrpletion

sweep

is fed

tollower

through

is predeterrnined

urultivibrator

which

the return-trace

an<[ the

R8261.

o[ the lockour

This

retrace interval

The

until

the preselected

to give lockout

returned

tirne constant

Consequenrly,

technique

the

<luiescent

Figurc

3-2. Normo,

CRT screen.'I'his

the cathode of

srritable positive voltage

the series-

of the

interval,

back to the

Q82t)8,

coupling

portion

a

base of the

which charges

diode CR8206.

full screen

flips

and clarnps

then causes

the sweip

interval,

lockout

sweep gate multivibrator

to rest at its

capacitor is

beyond the

interval

lockout

initial

is

deternrinecl

ancl

the Miller

the TIME/DIV

the lockout

sweep

srate

circuit

prevents

gate nrulrivibrator

is conrplete(l

at

the left-harrd

atl<litional

Sw.ep ltlode,

sweep.

of the

the

diode

dis-

tinring

tirni

start-

holdofi

and the

side

Fuoctionol

of the screen.

The trigger

gers

fronr rlisturbing

dtrring

circuitry

interval.

all o[

prevents

e. Unblonking

'I'he

cathotle-ray

has

two arl<titional

off

the electron beatll

glid.

Ileanr control

rctrace blarrking
these bearn
groun<[.

cotrple<l

Poteutial.

trollerl by

Q8207.

The

Q8206

applied
fier

Q8405

rvith

the swcep

deflection plates

In conventiorral
to the

The

the

lxrsitive

of

the delaying

to tlre base

an(l

a frorrtlanel

srrliing

negative

Block Diogrom

coupling

dio<te CR8205 prevents

the sweep gare Drultivibrator

the sweep-lbrwarrl interval.

retriggering

trrbe

bearrr

pulses

pulses)

eurplovetl irr this

deflecting plates

indepenrlerrtly

can

during

o[

(trace brightening

lrc

easily

are electrically

<[c coupletl

circuits these pulses

cotrtrol

extra

sweel) gate nrultivibrator

q8403.

lbrward

connecror

grirl which

harn deflection

pulse

rlevelopetl

sweep gare nrultivibrator

ol

the rrnblanking

This

tirrre

labeletl

ptrlse

<levelo;nl

is operatecl

plates

at the collector

casco<le

gate

signal is

an<l is also

GATE.

J-

at the

trig-

The lockout

the retrace

oscilloscope

which cut

the control

and

since

close to

ruust

be

at high

are con-

ampli-

The

and

o[

at

re-

of

Q8206

coincidint

available

collcctor

is

3-4

ro.w^,o

5*E'u!

--1FqrF

circuit

-i

description

section

-

3

lNar nlooa ar

oorru

+ oar! ar oa20a<

CAL

-

lwE

sAW d,ltut r Va:to4t

zorfrat

tollrlorf

cauro r caaa@

tr,lE ri(rOdr,6

swtt

va2otJ

lr

nlooa

oaanNo

AI

62ota,

rrv

va3 rt3t nf,ra

{

oaltldr AlrtuEa

slcllal aT.t

0(rl$6 lollrr

'l:Ya{6

atD llllaca

Nltn Al5

r^.,lra,

Ylr,&

DE

to iotl

r.Ltlo}l o

t*ra

"

lO

lutxata

sleaa! taD aacl ho

w

s

ooT'lll to oaaYll<,

riufi

oailo6 a oa207' twant

nurn lo ilmrl coiofirox

cxo rrGE To aEAril

ur{r

oaf,rcnoi nrlt! oa cll

oll'al$.lr t6 r(rsa rot

lrala

llaNltt,l(t at caaat a raaat

OUAI. tl^Ca

crr

atAXIll.rG O it L,

carlrooC, atlxx! RCcnoNl(

swp

(r&

figure 3-3.

fiming

Diagrcm tot Normol Swecp Display

3-5

section 3

-circuit

I

description

---l

is

Q8403

cathode-ray

applied to the beam deflection

tube through emitter

Therefore the display

Figwe 3-4.

is visible

ltiggeted Strobe rl{ode,

plate

follower

during the

only

the

of

Q8402.

forward sweep interval and is blanked during the

retrace

Transistor

voltage
prevents the collector voltage

ing 125 volts.

portion

A

ing euritter tollower

ating network C8441 and R8443. The

this network provides

ing multivibrator

1'hese

be used in

the X cavity permits

to be

sweep

the sweep retrace.

3.4. CIRCUIT

iIODE

(Figurer

When the DISPLAY

gered

arr<t

strobe circuits

In the

the

erternal trigger signal while

lockout interval.

and

source

q8401,

for

serves as an

the collector ot

of the negative pulse from the unblank-

Q8402

is

the proper

of the Dual Trace

Delaying

the X or Y cavity

coupled

operation in the vertical

STROBE,

"trigg€red"

Sweep Tirne Base Plug-in

of the Main Frame.

rerrace

to the cathode-ray

DESCRIPIION

qnd

3-4

the delay pick-ofi, the delayed sweep,

are activated.

r'node, the

OF TRIGGERED.STROBE

3-51

LOGIC

ernitter follower

Q8402,

of

Q8a03

applied to a

trigger to rhe blank-

beam blanking

and it also

from

dillerenti-

output

Plug-in.

units

exceed-

from

may

Only

signals

tube. Therefore,

direction

switch

delaying sweep receives

will

is

set to Trig-

show

the delayed sweep

Functionol

receives its

sweep. The triggering

this rnode

exact initant this

by

the adjustnrent

ttrode

frorrr now

triggered

Slock Diogrom

trigger signal later

is derived

sweep reaches

on will be referred

rnode.

The Norural antl

as previously

triggerecl strobe

be seeu

Rettrring

Sweep circuit is

arrrplifier

parator

This circuit is

the voltage

Pares

against a fixed

VERNIER

tlelaying

as determined

control,

applied

<lrives

pulse frorn

through

<lelayed

The

lt)li is coinciclent

QS

clescribed. Nlajor

and the Norural

by corrrparison

to Figure

a1>plie<[

and ro the input

circuit

Q86tll

a differential

level

voltage

control.

sawtooth

the

to a

coupling

series-coupling

sweep gate rrrultivibrator q8106

positive

waveform

by

the setting

output oI

delayed rigger

rransfbrnrer

the

secondary

gate

[rom

signal for

from the delaying

the delayed sweep in

a level determined

of the delay pick-ofi

to as the delayed.

Delaying Sweep circuit

difierences between

mode circuits may

of the block

3-4, the saw from

diagram.

ro the horizontal

of the delay

an<t

Q8602.

amplifier

o[ the input clelaying

obtained lrom

When

the voltage

reaches

of

the DELAY VERNIER

a certain

the comparator

arnplifrer

T8601.

Q8604,

The negative

of this translormer

diode

CR8l05,

developed

rvith

the delayed

to trigger

at the

the delaying

sweep

the Delaying

pick-off com-

at the

circuit.

which com-

the

level

This

functions

deflection

sweep

DELAY

of

level,

the

the

circuit

rvhich

the

and

Q8l0Z.

collector

of

TINIE/Dly

is

is

3-6

DaaY

icr.or

oeatat(t

ogaY ,itot

ctilorr! ftEr 06 Yro

,rEa a,

-J::l

l**,.".,,-

circuit description

section

-

1--

3

Al

oart

,rurn

sw&

oa YD

twE

At cratoT

Evlo tlolr + r.DI c tl

'I@..

n ua ar o@:ra

itoa

El.,

lDrrvDr

rroii !..Avto lwu

iDt,

YE l,.raAl[l,B

oaror4,

{DrvI5

(

aY

oaaYD

oa rflrt.

x4t

r€oq

+

o

l^rltl

r

Il

Figurr

3-5. -Simplilicd fiming Diogtom

lor lriggorcd-Strobe Dirploy

3-7

section

.^'rtrol

.)01

-

applied

CRT.

The delaying

to the

other beanr-gating

The

cathode-ray

sweep is

a sweep is
unblanking
then

turns the beanr

pleted.

are running,

The delayed
a

useful for finding
to display
Detailed instruction

in

when the

is cleveloped

the collector

Q8106,

ing

CR8202, is

the delayed

rnultivibrator

sweep.

in the STROBE

3.5.

gered

delayirrg

amplifier.

STROBE position

screen in

operation to

earlier, except

delaying

This technique

fornrance

When both

brighter

The difference in

Section

The delaying

is

of R8247

This prevents

CITCUIT DESCRIPTION
MODE

(Figurcr

When

DELAYED,

The delayed-riggered

Autorlatic

3

-circuit

setdng

and

to

not nroving

and

Q8002.

one of

the beam-gating

sweep

bearn

the beaur

in progress,

signal

trace than

the part

2, Operation.

delayed

that lasts

the delaying

each produces

sweep unblanking

out where to

of the

on setting

sweep

sweep has

as follows:

of rhe

apptied

the

sweep is

The brightened

to a difierentiating

ancl

biased

to perrnir

sweep gare

and subsequently

position.

qnd

3-6

DISPLAY

the delayed

applied

will

the DELAYED

the

triggered-sfobe

that

the strobe

provision

sweep

in

when

pennits

the

Delayed Mode.

is

applied

The posirive

electrode.

the

back

the delaying

brightness

is auromatically

the positive

delayed

C82t6.

to trigger the delaying

brightening

3-7)

LOGIC

posirion.

sweep circuit

is made

the delayed

3-6. CIRCUIT DESCRIPTION

f,IODE

(Figure:

When the

STROBE,

viblator,

activated.

-'r

the

by

,d

!

gering

signals

the

the delayed

"armecl"

selected

a

qnd

3-8

DISPLAY

delay pick-o{I

ar-e blocked by

3-91

LOGIC sn'itch is

srveep, and suobe

rnode,

external

description

to the strobe

srrobe

elecrrodes

unblanking gate is

is kept

turned

across

the screen. When

bearn

is turned

as long as the

ofi after the sweep

and delayed

i*

own unblanking

pulse

sweep pulse.

for the

set the delay conrols

signal you

wish to examine.

up the

terminated.

gate produced

sweep multivibrator

network consist-

Series-coupling

only the trailing edge

terrrrinating the NDT

of the sweep rerace

OF DEI.AYED.IRIGGERED

switch is

srveep

to the horizontal

sector

of the display

now

be expanded

mode

circuit is now

for

sweep

naxirnum

OF AR'IAED.SIROBE

circuit,

the

riggering

the

duiy

the arnring rnulti-

delayed stveep is

armed lockout diode

signal

applied

when

ofi

on

sweep and

(strobe) makes

two pulses is

strobe

is

turned

This action

ser to Trig-

and not the

deflection

to full

is sirnilar in

described

activated.

shut-ofi of the

rerrninares.

cycle per-

set to Anned

circuits

signal. All

circuit

of the

by

an

is com-

sweeps

signal.

found

ofi

at

diode

of

sweep

in the

are

trig­trig-

until

is

a

the arming

diode

sweep, making

triggering
this

start

DELAY

settings,

triggering

rnode

Arrned

The armed lockout

biased by

of

Q8103,

delayecl

The

when

the delayed

When

READY

sweep

the delay

to go on.

The

applied

irnnrediarely

positive

ing the

In

Q8103
arrned

voltage

action

delayed

the

delayed

The

is coupled

CR8l04, to the

armed multivibrator

and

Q8103

The leading

lector

and

applied to

diode

anned

.A.fter

has been

as determined

adjustment

inactivated
by

a signal froru

The

1>ulses

delayed

rtrg

ofi the NDT

nated. This

in the

a signal

from

the delay pick-ofi

multivibrator.

and

opens rhe

it

signal

nrode

of

operation, the

precisely

from

mode

sweep gare

SWP

the delay

the

is

nexr

ro the

gate while

"delayed"

the quiescent

is

lockout

applied ro it

locks

sweep gate

arrning

of

Q8107

CR8l03.

nultivibrator

the bistable

development

are identical

rnode. Automatic

strobe position.

ar rhe

VERNIER

but

instead

follciwing

now

of sweep

the volrage

thus opening the triggering

READY tamp

sweep circuit

delayed

laurp

then

triggered
time,

the SWP

suitable trigger

changes

at cutoft

diode

our

sweep.

signal frorn

from

base

is

conducting.

edge

is difierentiated

the base

triggered,

by

R8159.

until

sweep

prevents

trigger circuit

possible

to initiate

delay

and

is initiated

the indicated

on will

be referred to as the

operation.

diode

applied to it from

generator

time has

sweep is triggered,

goes

irnmediately

READY laurp may

delayed

sweep

sweep rnultivibrator

states

Q8107

Iorward interval.

state

of the armed multivibrator,

and

Q8104

CR8l02

from the collector

incorning

multivibrator,

translbrmer

of transistor

changes

o[ the negative

of transisror

This

disarming

ro

its initial

detayed

it will

the setring

The delayed

the

arr ed multivibrator

the

delayed pick-ofI

of the

to that described

provision

when the

brightening

circuit

triggers

This action unlockilhe

to

the delayed

for rhe nexr

the delayed

delayed sweep

tiure indicated

NDT TINIE/DIV

by the next

delay interval.

CR8l02, is now

Q8106

on the fronr

elapsed and

is ready to

the

circuit

and

Q8107.

panel

indicatis

be

appropriate

sweep. In

does

by

control

suitable

Delaved-

forward-

collector

to the

goes

triggered.

the

If

out.

the delayed-arnred

at the conrpletion

not

appear

from

the DA trigger

(ir

flips;.

forms a negative gate

Q8106

which

forrns

is conducting.

is back-biased

of

triggering signals

thereby inactivating

the

delayed pick-ofi

T8601,

states:

sweep

revert to its

of the

strobe and unblanking

ihrough

Q8t0.1.

Q8104

gate at

by C8l I8

Q8t03

trigger reverts

condition.

gate rnultivibrator

SWP LENGTH

sweep will

circuit.

tor

is rrrade for

D.{ stveep has

bv the

Q8103.'This

to the

circuit

cliode

The

bistabte

is

cutofi

at

the col-

and R8143

through

original

reurain

is

rearrnecl

the uiggered-

terrni-

ol the s\{eep retrace

not

the

This

'

on

that

SWp

of

is

a

dur-

The

the

state

turn-

3-8

hilet^-ffitiiEurl

circuit description

F ii:FA

I trrrrea I

ror-r-owea

I

I

section

-

urlt^{r(ro

I(,

a

cit aElr

lo

aLrrlrric rolll

5r6i !

Glrrxc

3

Y rrlott m@/6

De

trxrcga 06lYp

crrrorrr

,rnNol'

srcx.r ,o *r YE

6rE!wE'ol,ln,rAl

Figute 3-6.

^t

Dcloyod-friggctcd filodc, Funclionol Block

L-***

Diogam

+

orra Dauve

5w@

*urn

Figutc

3-7. Simplified fiming Oiagrdm tot Deloyed-friggored

Ditploy

3-9

section

3

-circuit

description

3-7,

When

DELAYED,

deflection

The

atron

cept

3.8.

!l,.hen

AMP,

Sweep

the

able

EXT/10
Input

tlre

ar-e coupled

V8lO2.

horizonral

ot the

The

.

dlvider

-

via

the

3-to

CIRCUIT

DESCRIPTION

i{ooE

(Figure:

delayed-arrrred

ro rhe

that

HORIZONTAT
DESCIIPIION

(Figure

rhe

becomes

Delayed

3-10

the DISPLAY

the

plates.

arrrred-strobe

the

strobe

3-I2l

rhe

DISPLAY

EXT

Sweep

X.{l\tPlifier

serting

signal.

X AII

Thus

P.front-panel

to

The.output

de0ection

DISPLAY
outpur

frorn

netu.ork

DISPLAY

qnd

3-t

LOGIC

delayed

sweep

sweep

circuit

DEFI.ECIION

TRIG

the X

input

Amplifrer

LEVEL.ontrol

ATTENuator

provides

exrernal

BNC

rhe

X Input

of

this

circuit

LOGIC

V8102

ro

rhe

base

LOGIC

figure

OF

DETAYED.AT'IIEO

Il

switch

is

circuit

rnode

described

is now

LOGIC

connector

input.

I0:l

attenuation

signals rnay

.onn..toi.

anrplifrer

implifiei

vla

the

swirch.

is

See

applied

of enritter

switch.

3-8.

Armed

is

set to

applied

inacrivated.

CIRCUIT

is

similar

to

switch is

of the Delaved

Simultaneously,

beco-e,

control.

be

Theie'signals

is

coupled

X A Ip

Figure

thrJugh

foll6wer

;;;;;l

c,Rcurr

Srrobe

Armed

horizontal

in

oper_

earlier,

set to

rhe ,".i-

The

PULL

of

the

applied

Vgl0l

and

to

the

setrins

3-lb.

a voltaqe

Og30'l

ex-

X

X

to

I

ltlode,

eflectively

TION

voltage

of

center

q-..

a.,oz

G;i;i;;:;;;'t

I I I riirj6ili7ai']

i.6

..o.

6rrt

t_

Fvnctionol

The

able.dc

!hg-d,.pl"y

PATTERN

the

front

cally

coupled

X

and.Y

the

entire

tions

on the

trol.

-.The

directly

Q8_303,

pull

output.

follower

the

output

amplifier

for

driving

-Ten-times

plished-

feedback

the

l0

X

rate

observed

thc

glock

POSITION

voltage

on

ro

the

POSITIONING

panel

of the Main

to

rhe POSITION

Plug-ins.

display

screen

output

to

which

from

the

common

converts

The

Q8305

stage,

by-

of

conrrol

magnified

porentionrerer

level

trace

when

and

aurplifier

the

the

horizontal

rnagnification

reducing

Q8302

is pulled

on

the

at rhe

is

not

the

PULL

Diogram

control

the base

screen.

This

in

the

via

dre

signal progresses

Q8306,

Q8307

signal

the

and

screen

ren

R83l

base

depositionetl

L,

supplies

df'qeSOf

For

the

controi

Frame,

control

feature

horizontai

use

emitter

emitter

rhe

single-end

of

the single

arlplifier

permits

o[

and is

to

e83l

develops

defleciion

the

of the

common

by

Q8303,

our.

rimes.

I

of

Xl0

a factor

Consequenrly.

of the cithocle-rav

The

XlO

is

providecl

eg:103

so rhar

trorrr

switch

OELAYING

;_-l

SIYE€P

O'LAYEO

t,"..,

*..

I
l LrE!

a nranuallv.adiust-

for

positioiing

Type

is

and

Series,

705

mounted

it is

electri-

of both

positioning

and veitical

joystick

e8301

input

through

then

l. In

n..arr"ry

plates.

iweep

emitter

direcl

is

applied

eg3{i2

io

a push_

emitter

ipplied

thii

output

polv..

is

acconr-

arrrplifier

o[ l0

when

the

sweep

tube is

con-

and

REiISTRA_

to

adjrrst

the

the cenrer

CRT

screen

is

activatecl.

-l

I

-,,..

i

on

the

to

circuit

description

section

-

3

,t Dota

all2lo a Craro!. taarB.lMlE

IAIUTa fiOCE

lralo

oEr^YlD fl<rott

crrroa{ rlcoat

atro:r a oaroa

c^ra ar

-

swEtt /*utTl

olltctFaltatE

DllaYo

al/{6 ,rv

r Ar nNcrE

slclr

sftP aNo tEt acE iltEt-

ed

tarcclt a,

q

^lffo

olroTa, oeaYE

(oivEt

0a ,atuE

tl^Dlc

ltwle GAft tavirli

to tl\r'|at cotaDllroN

Eoa

{ oa

tor-

a,tll

DAAYE

AT E

rurN.oN

swtE

I

I

t_

I

ot

OA^YS

sWE lulltLlt lttooo

Ar

ct6ro,

DeAYeAt

HO{ZOa{tAt

stlolt

t(na!

(DatvEN

x

taYED

SWEtt

DEIAYINC

twea uMtlNrstc

DEarvE

{ANoor)

ED

ayltt

l}rufi

a vato.a{

at

o.oo2< I m6r-

tY +

lt

O

Uln

aato6t)

Eon

orrDur to

nora DG.

Figute

3-9.

Simpliliad

fiming

Diogrcm lor

Deloyed-Armed

i,***

j-."

Strobe Disploy

3-11

section

3

-circuit

description

\

Figurc

3-lO. Dcloycd-Armed

Modc,

ftr-..o-;]

I e*rrrtn I

rorr-owrn

I

Fuactionol

I

Slock Diogrcnr

ur{llAllr(r.c

I lo

ciT aEAr

oElrra0-llxEo

ioirzotlar

oEFl.ael|oi

srcnll.

6rriro

sr€E, ro

3-12

Figurc

3-12.

Horizontol

Deltecrion

Amplilieq

Fvnciriooot

gloc&

TirrP-ii-l

lmer.rrrenl

Diogrom

,l

I

I

fii#F

I

)

I

circuit

description

section

-

3

80t aar srGrNAt

ari2]o r crDo rwrM! rll.

r turl

w^tD

oEtaYlD

c.aroa{

rurN-oil

SWEtr

GAr!, Oa

olooc cralor, lErA{frNG r}ll

NEXI

SUIIA.I'I

Ar

'ftGcaxi€

swle

furt

lo3a

.rJr{cfi61

ol,rnNo

AxD rfnacl m.

,rclott t

rrcotrs A116 flJttl

9GNAr to oaaYEo

oaroa e orroT

ut]rocls couRrNG

ITloGEl IO

Fot-

ocaa

Al'

I

swttt; atso U BAN{rNc c^ra

ot

aT

h

I

lI*D 6.xour

T

'

al

I

I

lL

F

octaYloAari@

swcat.rutN-oft

DaraYao

sw!!r GAr! tlvlt'li

av ro rNriAr

^rlt^lo

otuYEG^fiao

HOTEONTAT

coNoltloN

sw!!r outrw ro

AMPtlfl

VBtOa!

Ct

figure

3-l

l.

Simplilied

fiming

Dicgrcm lor Deloyed-Armed

Dbplay

3-13

sEcTroN 4

PERFORTAANCE ASSURANCE TEST

4.I.

PERFORMANCE

'TIAINIENANCE

The tests described

should

and

fonnance.

simplification and to assist those test

complete checking is not mandatory, or
test

paragraph

765

fier

ized

is accornplished by adjusting the front-panel screw-

driver SWP CAL and

scribed

uals.

making any adjustments.

be performed by Instrurnent Test Departments

Nlaintenance

These tests are divided into sections for

equipment

5'5,

tests

All

Series lllain Frame Oscilloscopes and a Y Ampli-

Plug-in. Both of the

to the

in

Allow

are

Nlain Frarrre

the

30

CHECX IO ASSURE

in the paragraphs to

Laboratories

to certify proper per-

groups where

follow

where all

is not available. Refer to Section 5,

for

list of test equipment required.

perlormed

plug-in

with a representative

must be normal.

units

before starting tests. This

GAIN

CAL controls as de-

Type

appropriate Plug"in Instruction Man-

to 60 minutes of warm-up time before

Repeat checks for the DELAYED TRIGGER

3.

position.

4.3.

CHECTING

l. Preset front-panel controls as

Control

TRIG tEVEt

DISPTAY TOGIC

Trigget
Trigger
Trigger
TIME/D|V

TIME/DlV Vernicr

VOTTS/DIV

PUtt

POStTtON

SOURCE

COUPLING

SIOPE

(botll

xlo

IRIGGER SOUTCE AND

Zero

NORM

TINE

AC

+

I 0 mSEC

CAL

cAt

Pushed in
Centcred

(Y

tnobrl

Plug-in)

indicated:

Sctting

(lully

ccwl

(Xl

)

POTARITY

NOIE

If this Plug-in

Inspection

rnodule

laboratory,

is checked by a Receiving

the tesm outlined

are recommended to certily performance. This

instrument

has been

thoroughly tested

and aged

at the factory. Nevertheless, rough shipment, ex-

treme environrnents,

necessitate

Hence, it is

rninor

suSgested that the certifying engineer

ry the reconrmended

recentering

the

controls, but also to ascertain

long idle periods may

or

adjustments of

adjustments

the

not

controls,

only

their range and to farniliarize himself with this

precision instrurnent. It,

tests outlined in the paragraphs

instrument will not perform

assistance

representative should be requested.

4.2.

CHECI(ING SWEEP

I.

Connect a Time-Mart

connector

nated cable.

2. Set up the

accuracy is checked by

tlre

centered 8-division portion

Make

sure the UNCAL larnp is

following Sweep

tional data.

should fall within

marking.

the local Fairchild

of

CATIBTATION

the Y Plug.in

of

insrument

counting the positive peaks in

Check Calibration

All measurements indicated

+0.25

performing

after

follow,

to

to specification, the

Field Engineering

Generator to the Input

through a

for NORMaI

properly

sweep. Sweep

of the CRT

oft and refer to the

Chart for addi-

in this chart

division

of

the

9.division

below

for

all the

the

termi-

scale.

Six cycles of

2.

observed on the screen
50-cycle

the pattern remains stationary on

the

peak-to-peak ro the NDT EXT TRIG connector.

line.

the

3. Set

4. Set the NDT Trigger

display should disappear.

Apply a line frequency sine

5.

arrplitude of this signal should

the

sweep

tionary on

and the pattern should again

the

the calibrator

for 60-cycle line, 5

NDT Trigger

screen. The

Pattern

SOURCE switch to INT;

the

SOURCE

wave

be sufficient to trigger

0.5 volt test signal

ably atrehuated by the 80-cycle cutoft
the AC coupling and
rigger

sensitivity.

represents

a

6. Changing the NDT Trigger SLOPE switch

plus

6rst cycle from positive-going to negative-going.

switches td IN'I and plus respectively.

minus

to

Reset the NDT Trigger SOURCE and SLOPE

7.

8. Set DISPLAY

should change the leading edge of

LOGIC switch to

should be

cycles for

screen,

signal

to ExT;

of 0.5V

The

switch

remain sta-

is

suit-

frequency of

true measure of

from

the

DELAYED

ARMED and adjust DELAY VERNIER control until

the

calibrator

9. Set the

the

delayed-armed disptay

pattern

appears

the screen,

on

DA Trigger SOURCE switch to INT;

should remain stationary

on the screen.

10. Set the

the delayed-arrned

ll. Repeat

EXT TRIG connector,

SLOPE

DA Trigger SOURCE switch to EXT;

display should disappear.

steps 5,6, and

the

switches are used.

except that the DA

7

Trigger

DA

SOURCE and

4-I

section 4

SWEEP

TIMI. AIX GEN

5

Eorl.r 5

r.!.G

l0

lO

50

IOO

100

50O

nort.r l0

tr.c
fr..

'nort.r

.horlGr

4r.c
p3..

mo7l.r

pr.r

iorl.r
nort.r

r..c

performonce

-

CHECK

CATIBRAIION

CHAR'

flrrlE/orv NUMIEI

0,1

rrSEC

0.1

/rSEC

0.2

lrsEc

pSEC

0.5

pSEC

I

pSEC

2

r.S:C

rSEC

pSEC

20

pSCC

50

O.l

'llSEC

O,2

'iSEC

hSEC

0.5

I

'iSEC

2

'iSEC

5

'ttSEC

l0 |nS€C

20 mSEC

nSEC

50

(6**l

l7 ti,ning norl.r.

17 tiiins !norl...

17 lini.g mort..r

l, li'ning morl.r.

17 ti6in9 norl.r.

osguronce

FOSll|V: PUTSES.

9 .ycl..

5 timing morl.rr

9

9 li i.g mort.r3

9
9

9

I

9 timing norl.rr

9

t

l2*rl

li'ling

morl.?.

tiii69 ort.rr

li'ning

mort.r3

lilr'ing

'n6.t.r.

linting morl.r!

lining ,norl.n

timing morl.r.

Of

(2**l

test

4-5.

DEI.AY CATIBTAIION

t.

Allow the unit

at an ambient

19'F).

Apply a 100

2.

Generator

unit

3. Set

DA TIME/DIV

4. Set

DELAYED.

5.

calibration

(i.e., 1.8 div,

of the

4.8 div,

position

div.

Nore.'

Leveling

6. Center the

Turning

should bring

from

to the Input connector of the Y Plug-in

through a

NDT TIME/DIV switch to

the DISPLAY LOGIC switch to Triggered

Measure

DELAY VERNIER dial, say from

the center

the incremental accuracy of the delay

from 0.8 div to 9.8 div in

2.8

should

occupied by

Be

sure that the Positioning and Trigger

settings are not disturbed during this check.

the DELAY VERNIER dial back to 0.8 div

the pulse back on screen within

CHECK

to warm

temperarure of 25oC

psec marker

properly

switch to 5

div,

etc.)

bring

the succeeding pulse back

the

pulse

when the

line.

up

at least l0

from

terminated cable.

g,SEC.

.

One complete revolution

preceding pulse

dial

minutes

t5oC

(77oF

a Time-Mark

0.1 mSEC

steps of I

within

is set to 9.8 div.

and

div

3.8 div to

to the

tl

div

i2

IOO .nl.c norl.r

500 o..c

*

C.nt

**

Erpondcr ch..r

pul..r

in

.l-4.

Refer

Operation, to

difterent

Figure
Figure

Figure

Figure

Figure

Unless

Y Au.ptifier Plug-in

(left.hand side)

laying

(rig[rt-hand

'norlr

r.d

8-diviriori

b.rw..n

por.nth.rlr.

CIIECKING NOnfiAt, TIIGGERED & Anr$ED

5WEEP

l0

N€gl.rl

DISPTAYS

to the following illustrations in Section

check the sweep modes available at the

settings of the DISPLAY LOGIC

Type 74.13.4' Normal Display

2.2.

Type

2-3a.

Type 74-l3A Delayed Triggered

2.3b.

Type 74-l3A Armed

2-4a.
2-4b. Type

otherwise designated,

Sweep Plug-in unit is inserted

side) of the Main

0.1 SEC

0.2 SEC

0.5 SEC 9

I

SEC 9

2 SEC l7

porlion

of

(Pull

div,

.col..

Xlo .wilch oulr. Nunb.r ot

diy or.

f0.5

lhc tkrl

ItO

74-l5A Triggered

Display

Display

74-l3A

module is

and the Type

9 r;ni.g Dort.rt

lZ li'niq morl.r.

indicol.d by nunb.r.

nono.acondr ol iho rwIp.

Armed

is presumed

it

inserted in the Y cavity

74-l3A Calibrated De-

Frame.

tining |ll.rltrt

liming itorl.r.

timing m6'1.r.

poritlv.

switch.

Strobe

Strobe Display

Delayed Display

that a

in the

X cavity

2,

4.6. NDT

GATE

OUT CHECI(

l. Set DISPLAY LOGIC

2. Apply the NDT

connector
should
approximately

4-7.

be a positive-going

NDT

l. With the

NORM,

on the Y Plug-in module.

The display

2.

with

an amplitude

4.8.

DUAI INACE

This check is

Delaying

Dual Trace Module

alternate

Set

up the Delaying

Conhol

TIME/DrV
DISPIAY

Triggcr

Trisgcr

LOGIC

SOURCE

COUPtING

the

on

SAW OUT CHECK

Y Plug-in module.

volts.

2.5

DISPLAY LOGIC

apply the SAW

should be a positive saw waveform

approximately

of

SWIICH TNIGGERING

to determine whether

Sweep Module

when the

display.

Sweep

switch to NORM.

GATE signal to the input

+

The display

with

step

an amplitude

swirch set to

to the input

signal

25

the Type

triggers the

larter unit is

connector

volts.

CHECK

Type 76-02A

set up for

unit as follows:

s.tting

l0 pSEC

DEI.AYEO TRIGGERED

INT

ACF

of

74-l5A

4-2

performonce

qssurqnce

test

section 4

-

Set Type

alternate displays

Iorms into

range

Adjust the amplitude of the

divisions peak-topeak vertical deflection. Two similar

signals should be displayed on the screen. Check

both
their respective Y POSITION conrols.

76.02A

both Type

l0

of

displays may be

MODE

of the

to 30 Kc in each vertical

switch to

Fairchild Type

76-02A

positioned independently with

ALT and

inputs at a frequency

Y

signal

79lA

channel.

for 2 to

observe

wave-

2r/2

that

4.9. BEAXI POSITIONING INDICATOR CHECK

Set up the front

step I

paragraph 4-3 to

of

tern on screen, Reduce the

Vary

beam
positioned

left indicator is lit when the display

POSITION

the

pocition indicaor is

ofi screen

panel

controls as

obtain

intensity

control. Check

when the display

lit

to the right; and convenely, the

indicated in

a calibrated

the beam.

oI

that the right

is positioned

pat-

ofi

screen
should be

4.IO. AUTO IRIGGERING AND

the Sweep Mode toggle

waveform) to the input connector of the Y Plug-in
and check that the oscilloscope triggers

the NORM and AUTO modes.

moval of the riggering signal

Free

plication

is

nector of the Y Plug-in and set display for I division

of vertical deflection.

TRIG LEVEL conrol for a stable

to the left.

ofi when beam is positiored

l. Set the DISPLAY LOGIC switch

Apply a l0 cps

2.

Check whether the unit

3.
running should stop

the triggering signal.

of

4. Set the Sweep Mode toggle switch to HF RECUR.

Apply a 5O.megacycle signal to the input con.

5.

6. Using internal riggering, adjust the NDT

beam

Both

HF SYNC

switch to NORM.

signal

(sinusoidal

free

from

immediately

pocition indicators

on screen,

CHECK

to NORM and

or any other

properly in

runs after the

10 cpc to l0

after

display

on screen.

re-

Mc.

the reap

4-3

sEcTroN

5

ftTAINTENANCE

AND RECALIBRATION

5-r. TNTRODUCTTON

This

section

mation

5.2.

and

IEMOVAT

it is necessary to order

If

from the factory, always
Serial Number of the

parts for in-warranty

for out-of-warranty

Parts List

values, tolerances,

ber for all electrical components used in the

ment. This

Since your instrument

parts may have been superseded by

ponents.
components will not be listed

if

ever,

been

part will be shipped in place

available

within

which will help the user to rapidly restore any of our

equipnrent

you order

superseded

It is

the aim of the

the state

of the manual contains service

procedures for

AND REPTACEf,TENI OF

replacement

replacement, be

internal adjustments,

a replacement component

give the Type

instrument. Before ordering

Number and

purchasing them

or

to consult the

sure

in this manual. The Parts List gives *te

ratings,

will

help to expedite service.

and the

left the

In such cases, the

a part from the factory, and it has

by

an

part numbers of these new

improved component, the new

Fairchild

the most reliable commercial oscilloscopes

the art and to provide services

of

to its

specifred

performance.

factory part num-

factory, some of

improved com-

in your Parts List. How-

ol the

part

organization to

Field representative maintains a limited number of

parts.

spare

replacement

Be

sure

Also the factory

parts

on a rush basis.

and replace the beryllium oxide

NOTE

may

be asked to air-ship

ing washers (they serve as heat sinks) on the

transistors that require them. Always

heat sinks with Dow Corning silicon

optimum heat transfer.

5-3. 5ERV|C|NG

General

maaion is given in

Instruction

assumed

and

Base Plug-in unit.

that you have

have de6nitety isolated

H|NTS

maintenance

the Type 765 Series Oscilloscope

Manual.

In the

and trouble-shooting

following discussion, it is

already read that

trouble in

a

grease

grease

infor-

PARTS

instru-

the

ordered.

make

Your local

insulat-

these

for

in[or-

information

the Time

In trouble shooting a Plug-in unit, it becomes

necessary to determine if the defect is in the plug-in

in the Main

or

quickest and easiest
substitute another

Frame of the oscilloscope. The

way of isolating the trouble is to

plug-in

unit and determine if the

same trouble

substitution,
is in the Nlain Frame.

There is no simple way of locating roubles.

understanding of the functions of the circuits

best help. With an understanding of the circuit oper-

it will be possible to make a good

ation,

general source of

in trouble-shooting this unit, refer to the

aid

tional btock and timing diagrams in
to the schematics.

To keep

it is desirable to check the equipment at regular

ance,

intervals. The period between checks will depend on

the installation and the

these regular checks,

unit using a light air

to insure the reliability of

you

that

of operation or every

tently. Also, the calibration of a unit should always

be fully checked
placement

plete adjustment procedure for this unit is given in
this Section of the Instruction

In the event of improper

persists.

it

can be safely assumed that the

electronic

recalibrate the

I[ the uouble continues after

troubles from the symptoms. As an

units operating at top perform-

conditions

clean all dust and dirt from the

blast

or soft

measurements, we suggest

plug-in

after

six months iI

adjusted after

and

of any component

in the

Manual.

performance

defect

is

guess

at the

func-

Section and

this

of operation.

brush. However,

each 500

used

repair or re-

the

unit.

hours

intermit-

The com-

of the Plug-

An

the

For

in unit, the following suggestions are recommended:

l. The Type 4294 Extension Cable for remote oper-

ation of the plug-in from the oscilloscope

as an accessory. This

for

routine

use

this extension for

the Main Frame

Localizing the trouble is made

2.

test oscilloscope to check waveforms. These waveforms

are shown at key points on the
Both the waveform amplitude and time duration are

given.
Probe while

Series). A Fairchild

a Y Ptug-in having

recommended.

Nlaintain

3.

clean bench

smooth and bright;

while soldering.

conductors. The use of a

con Type

maintenance

high-impedance

Use a

rouble shooting (Fairchild Type 4290

and soldering iron; keep solder

265

4. When using accessory probes

the trouble is not originating in the

suspecting the instrument

plug-in

extender will be helpful

and recalibration. Do

HF

alignments;

cover.

side

over-all

l0:l Passive Attenuator

Type

bandwidth

a

a high quality of workmanship. Use a

do not overheat any

heat

Use

is recommended.

Series

765

sinks

30-watt

itself.

from dc to

when

iron such

or adapters,

is

available

instead

easier

Oscilloscope

soldering semi-

accessory before

remove

by use of a

schematics.

Mc is

25

joints

component

as a Hexa-

be sure

not

with

5-I

section

5

mointenonce

-

ond recolibrotion

5. Once the defective

component

located by

voltage measurement.
shown on the over-all

manual.

or components

tube

and component substitution or

6. The identification

ductors and

graphs in this Section

5-4.

GA|N|NG

Since the Plug-in is

cover,

service adjustments are shown on photo-

ACCEss TO

nrost

of.the components

when the plug-in is

To gain

access to the chassis,

knurled thumbscrew

pull it

free of the Main Frame.

WHEN THE PANELS

MOVED FROM

stage has been localized, the

causing the

Key voltage measurements are

schematics at the rear of this

trouble can be

of electron tubes,

of the Instruction Manual.

CHASS|S

not contained in its own dust

are readily accessible

removed {rom the Main Frame.

simply unscrew the

at center bottom of unit and

WAINING

PLUG.INS ARE RE-

OR

THE INSTRUMENT FOR

SERVICING, EXERCISE CAUTION WHILE

THE POWER

are potentially more

ray tube potential because

capabilities and large filter capacitors

in

these supplies. When you reach into the instru-

ment with

grasp the meial frame with

possible,

sulated tools.
lead in the power

ls ln use.

5.5.

q.

The

graphs

factory.

vol.age, llSV

To set

an amplifier plug-in and the

the Main

stand on an insulated floor

IEST

EOUIP

ADJUSIITENTS

lnlroduGtion

adjustments outlined in the following

based

are

All adjustments should be made at

up the Time Base Unit for calibration,

Frame. The amplifier

the Main Frame must be fully

units.

Always use insulated

ing adjustrrrents

IS ON. The lower-voltage busses

dangerous than the cathode-

high

one

of the

hand

while it is turned on, do not

the other hand. If

It is

advisable to ground the

the instrument

followed at the

Base plug-in into

TENT

on the test

/2t0V

cord whenever

NEOUITED FOR SERVICE

procedure

-+-2%.

Time

plug-in

tested and certified

CAUTION

tools while working or

the unit when power is

on

current

eurployed

and use

module and

The transistors in this instrument may be dam-

aged if overvoltaged by accidental grounding of
one or urore elements. Exercise caution and turn

oft

power

when

making

repairs.

by

semicon-

in.

third

para-

mid-line

insert

mak-

on.

Telt

b.

Orcillorcope

Equipment

(Equivolent

Equipmont

Xequired

moy

b. subrtitutcdl

Dercription

Fully terlcd

qnd

lype 765 Serier Moin Fromc

Y

Plug-ln

X Plug.ln

Volt.ohnmeter

Squore Wove Gcnerqlor

Time-Mork
Vocuum Tube Voltmetlr

Di{fereniiol VoltmctGr

fype

Alignment Toolr

Preset front-panel

in<[icated:

TRIG

DISPTAY

Triggcr

Trigger

Trisscr

IIME/DIV

TIME/DIV Vcrnicr

vOtTS/Dlv

PUtt XlO Pushed in

5.6. NDT &

Generoior

1290

Control Sctting

I.EVEI.

IOGIC

SOURCE

COUPLING

SLOPE

(NDT

& DAI l0 mSEC

Plus-in} OFF

{Y

(nE229

DA IIIG

t t8l r 8)

l. Preset front-panel

Control Setling

DtsPtAY roclc

NDT Trisscr SOURCE

2. While

back

meter

appears

<'liode

3. Back oft on the NDT TRIG

R8229 untit the trace

LEVEL control back

trace flashes momentarily

when the NDT LEVEL

gendy

and Iorth, turn the NDT TRlc SENS potentio-

R8229,

rocking the ND'l' LEVEL control

gradually

on the screen. This indicates that tunnel

CR820l

is

now free-running.

fype 76-02A

instolled

Typc

74-03A

Simp:on Model 260;
20K ohms/volt

Foirchild
Foirchild
Hewleti-Pqckqrd

4',t08

John Fluke Modcl

Type

Type

with

791A

78'lA

l0,l Possivc Attenuqlor

Probe

Foirchild Typc 7013 Tool

controls on the Type

ZERO

NORM

EXT

DC

+

(fully

CAL

ADJUSIMENI

SENS

controls

NORM

EXT

clockwise until

just

disappears. Turn

and forth and note

on the screen but disappears

control

cw|

(Xll

as indicated:

SENS potenriometer

is

not turned.

ccrti{icd

deloy line

rcnritivity

Modcl

801

74-l3A as

a race

the NDT

that the

Kil

just

s-2

mointenqnce

ond recolibrotion

section 5

-

4. Preset

DISPTAY
NDT Triggcr

DA

Triggcr

front-panel

Control

TOGIC

SOURCE

SOURCE

5. Adjust the

scleen.

6. Set DA Trigger

trace

should

While

7.

rurn

the DA TRIG

ally

clockwise

This

action

now free-running.

8. Bacl

R8l18

LEVEL

rtromentarily

DA

LEVEL

5-7. TntG

l.

Set DISPLAY

2. Apply

instrurrrent

5. Adjust

sucir

that the race

ing the

(+) to

4. Set

ARMED.

TRIG

5.8. X

tR8339t

l.

Set .he

Set

2.

sure

NDT

3. Connect

leads

to

4. Turn

reals zero

5. Connect

l7)

to ground.

6. Adjust

89

volts,

does not introduce

7. Caretully

disappear.

gently

until

indicates

off on the

until

the

con[ol

on the

control

BAt ADJUSI

I

a

trIc

for I division

NDT

Trigger

(-).

DISPLAY

Repeat

LEVEL porenriometer

AiIPI.IFIEN

DISPLAY

Trigger

sweep is

a Simpson

the deflection

ahe

Positioning

or less

than

the

Set

R8339

lV. (Make

i

rlisconnect

conrols

DA LEVI,L

SOU

rocking

SENS

a trace

that

DA TRIG

jusr

trace

and note

screen but disappears

is nor

(RE|Oo,

LOGIC

signal to Type

as indicated:

Setting

DEI.AYED
I.INE
LINE

control Ior a

RCE switch to

the DA

potentiometer

just

ARMED

LEVEL control,

R8l I8 gradu-

appears on

trace on the

EXT; the

the screen.

tunnel diode CR8lOl

SENS potentiometer

disappears.

that

Rock

the trace appears

when

turned.

R8234t

switch to

NORM.

76-02A and set up

the DA

of <le8ection.

TRIG

renrains

SLOPE

steps

OUIPUT

SOURCE

BAL potentiometer

on the screen while

switch back

LOGIC

LOGIC

switch

and

2

3 adjusting

R8100.

TEVEL ADJUST'$EN!

switch

switch to

R8234

switch-

and forth from

to DELAYED

the DA

to NORM.

EXT and make

not running.

Voltmeter

plates

P8001,

control

r/n

volt

on the

Voltmeter from

to

250V scale.

X

AMP

LEVEL porentiometer

sure that

any oscillation in ttre X Amplifier.)

meters.

across the

pin l7

until

2.5V scale.

P8001,

the

output

pin

to

the voltage

pin

I

(or

measurement

the

l.

pin

is

5.9.

NDT

l. Preset

DISPTAY

Trigger
Trigger

VOITS/DlV

2. Adjust

ureter

clivisions.

'WEEP

Conkol

TOGIC

SOURCE
SLOPE

R8263

5-lO. SLOW

l.

Preset front-panel

graph

5-9, and

Adjust

2.

until 6 cycles

in

l0 clivisions

line.

Nole

; Make

during

5.II. DA

graph

these adjustments.

SWEEP TENGTH

l.

Preset hont-panel

5-9, to

Set

2.

DISPLAY

I.ENGIH

front-panel

AOJUSI'VIENI

controls

NORM

LINE

+

(Y

Plug-in)

the NDT

CAL

SWEEP LENGTH

until the display

SWEEP CAL ADJUST

conrols

obtain a display.

SWP CAL fronr-panel

of the

calibrator

(60-cycle line),

certain

obtain a NORMaI

LOGIC

signal appears

that the UNCAL

ADJUSTIAENT

controls

switch to

as indicated:

occupies

as indicated

screwdriver

5

as indicated

sweep

S.iting

(Front

cycles

display.

(RE263I

potentio-

10.5

Ponelt

to

10.7

in para-

control

precisely

for 50-cycle

lamp is

(R8I59I

in para.

DELAYED

of

TRIGGERED.

3. Adjust

R8159

until

the display

DA SWEEP

occupies 10.5

LENGTH potentiometer

10.7

to

divisions

of deflection.

5.I2.sWEEP

The SWEEP

to nornralize

Sweep

SWP

rates.

CAL panel control

sinultaneously.

ureter

normally

tinring

To

conrponents

adjust, proceed

l. Preset

DISPTAY

Triggcr
Trisser

TIME/DIV

vOtTS/Dlv

to

screen.

SOURCE

SLOPE

The calibrator

Set

2.

RATE

BA! ADJUSIiIENT

RATE tsAL porentiometer

the

tracking between

Orrce both time bases

The

SWEEP RATE

requires

and V8103

as follows:

front-panel

Control

TOGIC

(NDT)

& DAI

{NDI

(Y

Plug-in)

(NDTI

controls

signal

DISPLAY

LOGIC

will calibrarc

readjustment

or

as indicated:

NORM

LINE

+

I 0 mSEC

cAt

should be displayed

switch

(R8I75I

is

adjusted

the NDT

are normalized,

both

and DA

time bases

BAL porcntio-

only when

V8203

are replaced.

SGtting

on the

to DELAYED

the

the

TRIGGfRED.

5-3

section

5

mointenonce

-

ond recolibrotion

3. Switch back

TRIGGERED

the

SWEEP

both

4.

control

to

displace

5.

mode
potentiometer

calibrator

for both

bases

for

compliance

5-r3. Xto

L

one

of the calibraror

vertical

2.

DISPLAY

_

-3.

R83ll until

step

line

of the

4.

5.I4.

.l-.

with

then

Norei

for the

unit

Set

2.

thE

DA

3. Rotate

wise.

4. Apply

Fairchild

terminated

connector,

5- Adjust

divisions

2

other

the

right

q.

4djusr

Set

7.

adjust

the screen.

8.

Center the

iame

'!-

9.

Adjust

top

and

RATE

sweep

Readjust

Recheck

rates

the SWP

to again

exactly

the Normal

to make

has

signal must

time

bases on

must

be less

of sweep calibraiion

REG|5TRATION

P-osition

Pull

center

out

the partern

line

the XlO

LOGIC

Adjust

l) is

Push

the

XlO

the

again

scale

in rhe

X A'VIPIIFIER

ADJUSTiAENTS

(c8It9,

Replace

a rested

set

balance

inserted

C830c,

rhe Plug-in

Time

up to

obtain

Unless

of

in the

DISPLAY

SOURCE

X AMP

a 100

Type

79lA Generator

cable to

amplitude
peak-to.peak

words,

way

I division

of the scale

trimmer

the

Square

oscilloscope

pattern

as was

rrimmers

rise time its

and forth

between

and NORMAL

BAL potentiometer

iue identical.

CAL

front-panel

have

6 cycles

of the calibrator

l0 divisions

and

the Delayed

sure drat

equalized both

than

of the

knob).

REGISTRATTON

leading

coincident

(within

XlO knob.

HIGH-FTEOUENCY

otherwise

this

LOGIC

tO

Kc square

the EXT

conrols

done in

the SWEEP

occupy

the screen.

equal display

0.t major

(R83t

so that

signals

is coincidenr

scale.

knob

edge

of the

with the vertical

trl2

C83t7

Base

setup

X cavity.

EXT.

center

C8ll9 for

Wave

C8309

achieved.

&

Amplifier

plu[-in

a vertical

noted,

pertains

switch

ATTEN

wave

TRIG/X

of the square

about the

to rhe

left

line.

Generator

for

and adjust

step 5.

and C83t7

the DELAYED

displays

and

R8l?5

soewdriver

(60<ycle line).

Triggered

RATE- BAL

time bases.

Error between

division

specifications.

D

the teading

of sweep

with the

(concentric

division).

CStOtt

in

unit.

sweep.

the test procedure

to the

with the

potentiometer

same pulse

y

the

This unit

iime Base

to X AMp

conrol

through

fullv clock-

signal from

a properly

AMp

wave pattern

scale center.

and I division to

a flat-top

display.

to I Mc

a

2-cycle

pattern

its

amplitude the

until best

adjust

u-ntit

signal

The

divisions

time

edge

(see

center

cavity

and

the

fanei

for

In

and

on

flat-

of

10.

Pull

out the

and-reduce

display.

ll.

12.
increase
flection.

13.

_

flat-top

14.

waye

15.

PULL

controls,

5.I5.

l.

Set up

.

ing

and

2. Adjust

there

is no horizontal

rocking

ran8e,

3.

Remove

5.I6.

(C8556,

l. Make

Type

76.024 or

is

DISPI.AY
NDT

& DA TIME/D|V

NDT

& DA

2. Apply

a Fairchild
terminated

Plug-in.

3. Adjust

play

a vertical

4.

Using

capacitors

square

Ser

the Square

Pull

out the

the signal

Adjust

display.

Repeat

response.

Disconnect

EXT/10

X AiAP

the

observe vertical

the DC

the

X AMP

FASI

SWEEP

the following

Control

LOGIC

SOURCE

a l-microsecond

Type

cable

the

an insulated

C8556

the generator

5.

Set the

to

TRIG

C8506

erator

6.

Set

DLY,D

DIV

switches

7. Reset

cy-cle

sine wave

C8606

DISPLAY

DLY

and

C8137

occupy

the DISPLAY

to NORIVI

the

until ll

PULL

wave

DA

level

trimmer

steps

9 thru l3 for

generator

X10 magnification

amplitudi

Wave

Generator

PULL

to

capacitor

EXT/10

obtain

and push

and the PULL

DC BAIANCE

Type

ADJ

74-03,4, for

line.

BAL potendometer

depositioning

ATTEN

the Time

CAIIBRATION

C8606,

C8506,

equivalent Y

conrrol

Base

unit from

C8I37,

front-panel

Plug-in in

NORM

lpS

INT

rime-marker

78lA Generator through

to the input

VOLTS/DIV

amplitude

screwdriver,

and C8606

occupy

l0

to 0.1 microsecond.

Time-Nlark

signal

D and

unril

divisions.

and the

peaks

l0 divisions.

LOGIC

ad

ll markers

LOGIC

and

occupy

connector

switch

of about

until

switch {rom

just

switch from

NDT

Generator for

adjust rrimmer

l0 divisions.

contr.ol

to give

divisions

2

C8l0l

optimum

to 100

switch

for

optimum

in

previous

Kc.

of

square-

the

XlO magrification

(R8IO5}

automatic

of

the trace

rhroughout

ADJUSTMENT

qnd

setrings

5eiling

R8t05

y

the

C83lZ

with

thi Y

signal

properly

i

trigg€r-

while

cavitv.

cavity.

on the

to give

the dis"

4 divisions.

adjust

trimmer

ll markers

NORM

trimmer

and DA

from

a l0-mega-

capacitors

tire gen-

TRIG

TIME/

capacitors

and

de-

DA

unril

its

the .

lrom

y

from

5-4

mointenonce

ond

recolibrotion-section

5

8. Set the DISPLAY LOGIC

to TRIG DLY'D

C8137 until

Notc; If

9. Reset

cycle

sine

10. Pull out the

and observe

center 8 division
adjust trimmer

withir.

5.I7. STTOSE

ll peaks

necessary rep€at step6

the Time-Mark Generator

wave signal.

a 4-cycle sine

+5/o.

ADJUSTIAENT

(R8OI2,

and

occupy

PULL XlO magnification

portion

capacitor

INIENSITY

18005

AND PATIERN CORRECTION

ond C80041

l. Apply a 5-millisecond

Fairchild Type

terminated

Plug-in.

Reset the

2.

DrsPtAY toctc

StOPE

NDT IIME/DIV

TIME/DIV

DA

PULI XI O

E. Vary

strobed oection

cable to the

Control

(MAGI

the DELAY VERNIER

the traiting edge

4. Adjust the

until a distinct

5. The strobed

of the trailing edge

If it is, readjust the

eter R8005 until

marker signal.

6. Reset the

second output

7. Set the

DA TIME/DIV siwtch

the

8. Vary the

strobed

section of the

trailing edge of

9. Adjust

overshoot at

Nole;

sible use of

adjustmenB.

these

Time-Mark Generator

signal.

NDT TIME/DIV

DELAY VERNEIR

trimmer capacitor C8004

both ends of

Consider ambient

cameras

Generator

78lA

front-panel controls as

of the

disptay is in the

of the

STROBE

contras!

secdon

the

the marker signal.

is produced.

the unstrobed

of

PATTERN CORR

strobe

display is in the

and viewing hoods when

switch

adjust

from NORM

rimmer

capacitor

l0 divisions.

4 through 8.

for a 5O-mega'

conrol

wave display

the

of

C8317 to

time-marker signal

input connector

TRIG SIROBE

is within

graticule' If

bring calibration

through

a

ProPerly

on the

indicated:

5etting

from a

+

pS

50

2ps

Pushcd in

control

marker

signal.

ADJ potendometer

may be ofiset to either

is

superimpoeed

switch to

to 0.1

the

#S.

control

strobed

light conditions

until the

middle of

R8012

marker signal.

potentiom-

on

100-micro

for a

0.5

gS

until the

middle of

miriimum

for

section.

and

making

the

not,

side

the

and

the

pos-

Y

5.I8. DETAY

l.

Set the NDT and DA TIME/DIV switches to

0.1

pSEC.

2. Set DISPLAY LOGIC switch

and

obtain

3. Set DELAY VERNIER dial to Zero.

4. If the

front-panel

the strobed section

5.I9. DEIAY CAt

ZERO

ADJUST'VIENT

a convenient display.

strobed

screwdriver

section is still

DELAY

just

disappears.

ADJUSTMENT

l. Apply a l00-microsecond

Fairchild Type

terminated cable to Input

Set NDT TIME/DIV

2.

DA TIME/DIV switch

Generator through a

781

connector

to 5

(R86I8I

to TRIG

visible,

ZERO

time-marker signal from

switch to 0.1 mSEC and

pSEC,

control until

(R86I4I

the Y plug-in,

on

and DISPLAY

LOGIC switch to TRIG STROBE.

3. Set DELAY VERNIER

adjust the DELAY CAL

t}te strobed section starts approximately

sion mark.

4. Set DELAY VERNIER

DISPLAY LOGIC switch

Position the

5.

by the vertical

6. Advance

sion.

(Be

LEVEL settings

Adjust the DELAY

7.

so that the

8. Back off DELAY

check whether or not the

and

If not, center the

procedure may

the 0.8 division

centered,

9. Measure

calibration

I division (i.e., 1.8

of

revolution of

3.8 division

ing pulse back to the

ing
tioning and

during this

10. Center

division. Turning

bring

pulse

the

t0.05

within

pulse

disptay so that the

center line,

the DELAY VERNIER

sure that

pulse is again

have to be repeated

the Pooitioning and

are not

VERNIER

pulse and recheck

pulse and the 5.8

division.

the incremental

from 0.8 division

div,

the DELAY

to 4.8 division,

position occupied

division. (Be sure

tl

Trigger LEVEL

check.)

pulse

the

the dial

back

on

dial to 5 division and

potendometer

dial to 0.8 division

R8614 so that

at

to TRIG DLY'D.

pulse is bisected

10.05

disturbed.)

CAL

centered,

division.

dial to 5.8 divi

potentiometer R8614,

+0.05

dial to

is

Pulse

accuracy of

to 9.8

div,

2.8

VERNIER

should bring

settings are not disturbed

the dial is set at

when

back to 0.8

screen within

again

step

several times until

division

division in steP,s

etc.). One

dial, say from

by the

that the

division should

from the center line.

STROBE

adjust ttre

properly

the

5-divi.

and

Trigger

division'

0.8 division

centered.

This

7.

pulse are

the delay

complete

the succeed-

preced-

Posi-

9.8

division

12

5-5

r-

section

5

mointenonce

-

c8303

c8309

i:;;

ond

o.

recolibrotion

08301

Gn@

t83r r

xt0

TEOO5

R80r 2

08305
06306

o8r07

i86tr

rD

,*

o

R8100

IiE

OA

c8606

t8263
NDI Swp

o-

x8t

{-l

u

59

o

6

tEt05

@

t823a

NOI

861

@

i8t 75

II

a

5-6

Figwe 5-l

-I

, Righr Side

View Showing

-

fron3ittort

r-l

ond

Adivslmenlz

mointensnce

qnd

recolibrotion-section

5

Figure

5-2.

l,eft Side Viaw

:,!F

.'L\.

-cl

I.:

ir;

ll:

lLr

oSaol

Showing

y'

r

.l:

fronrirtorr,

Nuvistors

ond Adiurtmenls

5-7

section

5

mointenonce

-

ond recqlibrotion

r;

'

lar'iz

X A6pl Hi\

I

I

5-8

Figurc

5-3. fop

View

Showing

froaristots

ond

Adivzlments

SECTION

6

TYPE 74-I3A

PARTS

tNoa:

t2t

1501

2271

l(.toB,

Dirploy

Logic

,r5ot

231I

r(NoE.

xl0l

lPull

a50l 2302

(NC'I,
4501 245?

LISTS

3e6o

r.ocrc

io

(

tar,tP:

iMPr

?ti.t ll0

0tm

PUTI.

tII

E'

rNurcarl,f,

tNotcarot

Uncol

1200

AND

P NEI:

Frenr

3201

3l'3

LtcHI tNotcaTot:

,

8.oh

,

t2ot

I

DELAYTN,. swEEP/

-a ,y,r"

DTI,AYTD ARilTt)

J-l

{I

Tlllt/0lV

uncl

I

?-

I

SCHEfiTATICS

p

ionins

-

23,30

ul Tn6

ica

$t

k

Unt

I

sl? c[

EUSHtNC,

,{30r

XNOB:

Stirl

a50l

27tt

(NO8,

3581

6-O

lt{lcRoDtat:

Y..nie

4501

INDICATOI

r

200 3960

0a30

I.AIAP:

---+

SwlTCH,

0503 2150

Lfytt

Figurc

stc

I$RTAT

AI{B I)TI.AYI'IG

lt l0

TRIGGERII{G

+

JI

"T

r\*.

CUrl f,,

\

xNoE:

Stob

450! 2l

t2

Frcn, ?on.t ReploGeoblc Po.tr

6-l .

t(NoB,

a50l ol3l

tl)lrftnG

so!xfi

n'I

150t 2261

]lP:

.JACX

0905 6700

SECTION

6A

.

-

.-,

tymbol

c8001

c8m2

c8003
C8m4

c8l0l

c8 t02

c8t03
C8l0'l

c8105

c8l06

c8r oz
c8108 &

c8

c8lll

c8i t2

c8l

C8l l,a

c8t t5
c8l

c8ll7

c8! l8
c8t
c8t 20

c8l2l

48122
48123

cgr21
c8r26

c8127

c8t28
c8r29

c8r3t

c6132

c8r33

C8l3,a

cEl35
c8r36

c8137

c82m

c820t

c8202

c820:,

ce20!

c8205

c82(r

c8208 A

c8209

c82ll

c8213

c82l,a

c82r6

c021,

c8218

C8219

c8221
c4223
c9221

Pon Numb.?

Not.: !. All copocllor.

t09

l3

l6

r9

oth.rwi.! .p.cill.d,

llv

2. G

0317 5l0O
0326 7860

3810 330

O3l7

9480 Yori6bl.,

0326

0326 9190

1060 o.ol

o3l9

2ooo

O3l5

a520

0326

3720

o3t5

loso

o3l9

(826

8a'|o

O3la 6860

lofl,

O3l9

0316 9520 2200
0315 3610

qI9

r05o

,a520

0326

03tZ 5ll0 mi.o, 22

lq,

0ol9

O3t6 0270 22

ql26

95lO

O3l5 3610 l0O

5ll0

0317

O3l5 3610

q,26

7860
5tOO mi.o, 20

O:ll7

O:tO5 56q,

O3l7 5100 mico. 20

0: 9 t050 0.02

0315 3610

1060 0.01

o: 9

algo

0316

1060 o.0r

0or9

0326 7880

O3l7 32OO

0326 7880
0326 9,a8O

,4520

0326

Oato 72@

1060

o3r9

qlls

20q,

o3l9 lo5o

O3t5 37?o

g

oi

1060

O3la 6860 5.6

0326 tl9o

r05{,

0319

0316 9520 2200
0305 5600
0326 7860

0317 5100

O3l5 3610 l0O

03!7 5l0O Di.o, 20

0305 5850

3610 l0O

0tl5

ELECTRICAL

AND SCHEiAATICS

TYPE 7+I3A CATIBRAIED

D.lctlprlon

CAPACTTORS

oi. fir.d, ..romic,.qnd 50OV unlc$

pf

d.nol.r Guoronl..d ,rlinimufi

pl

i.o, 20

plo.ri.,0.l yl,

pl,

roriobl., oir, 2-8

Pt.

pt,

loo

pl.

IOOO

pl,

22co

0.02

pop.r,

pr. tl%

5.6

O.O2

t

pf,

pr, tr0%

too

oo2

rf. +60

pt,

lo(x,

pf,

0.02

pt

voriobl., oir,2.5-ll

pt,

22

'nico,

pl,

l0O

plo.ric,

rico, 17

p|,

pf,

l@

|t, +60

pf,

9.1

rr, +60

plo.tic.0.22 pl,

pr,

12

ploric.
voriobl.,9-35

pf,

l0()o

pt. 10.25 pf

1.7

o.or

F

t@

Pr,

o.o2 ,;1,

pt,

220D

0.01

rl, +60

pl,

pop.r,

pt.

o.o2

pf,

nico, 17

plottic,0.l pf,

micc,

20

pr,

mi.o,

510

pf,

a!0%

oir,9-35

+&

i2O%

Gr'tY

+l0o

, +60

O.l

l,

+&

IOoOY

Grlv

pl,

+60

I

lO%

91,

tl0%

0.1

pl,

pt,

pr,

+50

tl0%

lOmV

ilo%

O,22

GrlV

+60

120t6

+&
+lm

tl%

0.1

+60

IoOOV

?t,

pt,

tl0%

p,

:tt0%

!1O

-1o./.,

-0%

-{o.L,lsoY

t2O'h,2OOY

pt,

-4

-40%,

!5'/.

-a0%.

!5*

!1O

pt,

!5'L

lloiA

ts%

-1o:..

-10:A,

-4o%,

!lO',

lto

t,

t

pf,

-ao%,

-ao

-0%

-40.[,

!2O'L,2@Y

L|,

-40%,

t5

alo%,

i5%

alo%,

pf,

d.nol..

,2@Y

pt

pf.

20OY

,

pt,

,2@Y

l00v

,150Y

pi.otorad..

15oY

15OY

rsov

l50v

20Ov

t50v
t50v

lsov

,2OOY

2@Y

,

r5ov

l5ov

lSov

200v

300v

l.comm.n&d

Codr

Yolo..

CrrtG DL{ 15

A.rx c296AB

EIA

EIC Styl.

ERC Sryl. 538

ODlr,t

CRt

EIA

EXC

Erc

DDlrt

CRI

HOP Porl No.

PI2D

EIA

DDI

ctl

R{C Jl

EIA

DDtiT

CRL

ERC

Ei C Orlil5

. DDi.t

c

EIA

ERC

EIA

Dl lS

Et(c

EIA

,tr

A

c296^l

D,rtls

Errtc

EIA

Dt{15

E,,ic

DDI,I

ctl

EIA

oDr

cnt

ACC

ctl DDr

A,tx c296^g

c$.

alu c296a8

ErC S|Ylc

Etc

NPO Sl-l

Etc

crt Dor

EIA

DD'A

CIL

ERC

DoA,r

crr

€tA

HOP No, tl2D

crl DDr

ERC

EIA

aMx

c296Al

EMC

Di.u5

EIA

E C Dlll5

EIA

EIA

lyD..

V.n&.

538

538

PARTS

DELAYING

symh.l Porl Nohb..

c8228 O3l9

C8229 0316,at80

c8231 &

C8232

c8233 0gr9

c823,4 o3l5

C8235 0317

C82,rI 0326 2620 cl.drolyti., 5

C030O 0317 5ll0 nic6,22

c830r

C8302 0316 72@

C8303 0317 SllO

C830,1 0315 3630

C8305 0305 5500 mico,

c8306

c8307 &

c8308 O3l9

C83O9 0325 9500

C83ll 0326 7860

C8312 0319 l0s0

C8313 0326 7880

C83l,a 0326 8080
C8315 0326 7860

C8316 Oill5 2000

C83lZ 0326 9480 voriobh,9-35

c8318 &

c83r9

C8{Ol lo

c8,io3 o3l9 lo50

cSa(x

c8405

C8,tO6 0326 8060

c81O 0319

c8ao8

C8aO9 0317 6750

C8,tll

c8, 2 O3l9

C84l,r 0:116 0330 39

c84r6 o3r9

C8,a,tl 0316 7280

c842 A

C8,443 Olr25

&

c8.a,,6

C8117 0326

C8,!r9

C8,a5l 0326
C85Ot 0827 1580 mi.o,3,l8

C85O2 032,

C8503 0027 2090

c850a 0316 03@
c8506 0326 9490
c8507
c8508
c8509 0316 3290

c85ro
c855r 0322

c8552 0327
c8553 r]32' 2t90

tO6O O.Or

0326 7880

1060 0.01

t92o 220

320O 12

1060

0319

lO5O

O3t9 lO50 O.O2

0026 8a9O

0327 l53O

1060

0319 toso

0316 0330 39

1060
1060 0.01

,t52O
,4520

0:126,4520

4520 I00O

l5l0 mico,383l

0326 87.o

q,r6,fl80

0316 3850

l58o

r5t0

LIST

SWEEP

D...rlpfion

+60

&r,

t5%,

pf,

9.1

pl.rri(,

O.22

+60

llr,

L2ol.

pt,

t10!6

pf,

0.0r

1.7

nico,22

150

O.O2

vorioblc, oir,5.5-18

plo.ri.,0.l

0.02
plo.ri.,
plo.rir,

plotri(,0.1 pt,

0.02

pdp.r,o.l

cl..lrolyti(,2

plo3tic,

0.0r

o.02

^i.d,

O.0r

30
vorioblc,

plorli.,

9.1

17

pf,

rf, +60

!o.25

pt,

alo%

pf,

17

pl,

+60

ti, 16O

O.22

0.22

t2o%

pf,

IOO

+@

t't,

pt,

+60

-r0%,

0.1

4f, +60

+60

/tr.

l00o

pf

, +5O

p,

4t, +60

tO.25

rO

$,

pt,

l00O

pf,

1000

pf,

l00O

pt,

plottic,0.03a66

l@v

pI

0.86

pf,

1000V

pr,

l0O0V

27

pt,

l00oY

mi.o, 348

i.o,3831 pt,

ploric,

0.03866

l00v

*4O%,

1000v

tlt,

-4o%.

pf.50v

t5ta

-40%,

pt

tsr6

Pl,

!5'h

?1,

-lo.L,

&J,

-aO

tlt,

$t,

pr,

-1O?/.,

-10L.
!2O

tlt,

pt.

loov

/rl,tl0%,

-40%,

-1o%,

pf,

-1O

-40%,

pt

Gr{V

Cr,tv
GMv

Gr,tv

i.5%

pl,

pl,

oir, 2-8

pl,

i.5%

pr,

r5OY

'llo'/.,2W

r50v

r50v

lsOV

pl.

20Ov

tl0%,

20Ov

lsOY

,

!to'L,2@v

!to'L,l@v

il0t6,

20Ov

lmY

15OY

150Y

,2@Y

+1@

40Ov

rsov

l50v

t5%

tSOY

,

r50v

t.5%

!.5'L.

i,

pl,

20oY

t

I

loov

%,

ij%

i.5%

pf,

l..o.rm.nd.d V.ndo.

lyp.

Cod.

cll, DDll

tL{c c

ar,Ax

c296aB

clt ool

EIC

Sryl.
33lGP2

cR[

#r850r20

KCOG

SPG "Litll-tyli."

Erc or tS

CRI. DDM

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EIA

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ERC

538

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cRl oDl

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a

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CRL DD'!A

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PI20

S.ri.3 TE

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.

c

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EIA

cRt DDI

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Etc

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ERC
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GUD 3368

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sryt. 538

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c

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c

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6-t

Numb.?

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o:roo

9190

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8760

0326

4660

0315

6250

0319

4180

0315

3790

0316

3850

0:,t6

7930

0326

0319

7S60

0326

3720

o3l5

0326
0326

0319
0319

o3l7

0327

26@

2600
26@

26@
26@

2@

26@
2600

2&0

26@
2600
2600
2600

26@
2600

2600

l2OO

l2m 3960

&

t2ot 2350

l2OO
l2OO

a

2lto

2tl0

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&

OrO5

&

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O9o5

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9180
7530

1060
1050

l0

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3120

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8150

6910
8020
8150

6010

6910

8020

6820
6910
6820
6910
6910

9250
6910

6910

3960

3960

3960

1560

1560

l35o coil,

section

Srnbol

c855,a

c8556

c8557

c8558
c8559

c8560

c856r

c8562

c8563
c8601

c8602

c86o.a

c8606
cs607

c8608

c86r

c87ol

o3t6

1

ca702

cn8@r

ctslor

Cn8l02lo

cr8r2

13

crSr

cR820l

lo

C18202

cn8205

to

Cr82O6

2

cr82r

cr82l6
cr8aol

cr8402

cR8ro3

cro,a{x

ct8a06

ct860l

lo

Cl86O2

ct8604

cR870l

DSSlOl

DS82O|

DS830l

Ds83O2

Eglol

E82Ol

HY8l0l,

HY830l,

HY8303

HY83Oa

l{Y86O3

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iiior 2llo

j8lOO

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It O9O5 6700 iocl

J84Ol

iiooi

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ports

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O...rlPtlon

30 D,

voriollc,

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22OO

vori.bl.,

.l.crrolyti.,

o.or rr; +60
o.o2

ETECTRICAI.

7610

67m

73,t0

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0.86

Pf,

!

ro%,

pf,

pf, IOOoY

pl, l00OV

IOOOV

r

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o.l

tt,

+l0O

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9-35

oir,

lO

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pr,

+tfi

22

,.i.o,

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diod.,

diod.,

diod.,

diod.,
diod.,

diodc,

el,

l0

+75%

SEiAICONDUCTOR9

FD84l

lN37t7

FD8al
FDG309I

lN37I7

fD8,ll

tD8,al

diod.,

rOG309l

diod.,

FD28l

diod.,

FD8ll

diod.,

lO28l

diod.,

to8'al

diod.,

FD8,al

diod..

TD'24

diod.,

FD8,al

diod..

fDSll

diod.,

IA,YIPS

(SV'P
(uNcaLl

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n.on,

milliomP'r'3'

IEADY)

millionP'r't.

6.on,0.3

..on,0.3

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glow, n.on,

glow,

HYBRID

t.irit.

Lod,

l.rrit.

B.od.

rr,3.3

r.c.plocl.,

I

conto<l

bonono

liP'

inrulot.d- bloct ISAW

tiP, bon6no

io.l

inturor.d,

plug, m'l',

list

2@Y

2'8

Pt'

t

looY

l%,

lo00v

tlott,

l50v

tl0./.,

l25v

-ro7.,

!

I

rf,

l5ov

t

2@v

l0%.

-0%

l00V

Pl,

+l0O

rrl,

5'L

Pl,

rh,

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RF

i5%

lNDl

COII.5

l50v
l5ov

l/25\ry

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-40%,

POs

NE2

NE-2

CONNECIOTS

f'ncl''

8NC,

llcl

lExl

tYP''

tYP''

blocr

IGATEI

32

'onto'tt

L.o

t/25W

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ond

m.nd.d

Cod.

EIA

Slyl.

EIC

3558

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S.ri.t

GUD

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c

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c

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c296AB

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Clt

c296^l

Al.rx

Etc

SrYl.

ErC

"tinl'lytic"

SPG

DDl,t

cRr

DOlt

ctt

Dl,tl5

ErlAC

SPG

rcl

EIA

tcl

FCI

EIA

FCI

tcr

FCr
FCt
FCI

fcl

FCt

rcl

GE

rcr

fct

GE

GE NE.2

sB

GC

GE

FEI

tEr

sww

rHN

JHN

aPH

schemotics

V.ndot

IyP.

538

338Y

538

"Litll-Iyli€"

NE.2

12-27

Itl@

NE.2
NE.z

No.

Port

56-590-55/31

No.

Ps.l

56-590-65/

I o6,t7

D

625A/U

UG

ro8-903

108-903

26-159-32

Sytnbol

osoor

o8m2
oslot

o8ro2 2ffi

osro3 &

oetOr

08106 &

OSIOZ

oslos

o82o2

os2o3 a

o82(x

o82os

08206 &

o82O7

08208

osml

08303

08304

o83o5 & 2600

OSSO6

08307

08308 &

oesog

oa3lr
o8/ol 2600

o8,ro2

o8,o3

os4o, o 2600

08406

0860r & 2600 7O7O

08602
08603 2&O

o87ol ro 2600

3t

PodNunb.r

7o2o

2600

2600 7000

7370

zffi

7120

26co

2600 TaOO

72.o

2600 7250

7o2o

2600

TOOo

2600

7020

2600

7O0O

26m

26@ 72.o
2600 7250 oh.rncl.

7.2o

26(0

26m 7/OO

7I5o

26@

7I5O

2600

2&o foTo

2600 7O5O

7o2o

2600

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72.o

2&

26m 7250

ro 2600

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i,-.i'.- a-jr

^

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ii.'L.-rJ""al"g

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7O8O

7050

2600

26(D 7250

26m 7250

7o8o

7O5O

26()0

8630

2600

2600 8620 oll.rnol.

7o2o

26oc

TOOO

2600

26q) 8630

2600 8620

7l8O

2600 7l5O

7270

zffi

2600 7250

7370

2600

7020

TOOO

2600

26CO 7O5O

726o

26m 7250

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2600
2&)O TOOO

2600

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M

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of

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ou

olt.rncl'

DU

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Du

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ou

all.rnol'

DU

oh.'ool'

DU

Ell.rnol.

DU

olr'r'olt

ou

oll'rnol'

ou

olt"nolt

DU

ou

oh"not'

DU

oll'rncl'

DU

olr.r'ot'

Du
oll..not.

DU
DU

.ll.rnol'

OU

alr.rnot'

DU

oll.rnol'

ou

olr.Tnot'

DU

8l9O

oll'rnol'

8l7O

r.ti'lo.'

1" .i'.

illion.

=

rh.

plu.

lor

tol.ron"

minur

pitri-r.i.ii..

0239
0239
0239
0239 O28l

ir ord'r'd,

lh. olh.r

I.

'.'i'.a

.olor

Plsg'ir

D"'dptlon

TRANSISlOR'

2N914

2N869

#6

2N1893

#la

2N914

#IA

2N9l'

#6

2NlE93

#9a

2NEo9

#44

zNll3z

#2a

2N9r5

#la

2N9l'

#6

2NlE93

#2!

2N9I5

#6

#2!

#36

#lA

#36

#4!

#6a

#

#la

#2A

#6

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#

or.

-r"

or.

Tl,{E/Dlv

t

'i'tor

dot

modul''

3

2NlE

2N9I5

l'

2N3l

2N914

l'

'N3l

2Nll32

I

E93

2N

8Al2N6998

2N9l'
2Nil5

2N1893

2tol4

l',la

2N2369

RESISTORS

rirld,

olh"viro

lh' ?otl

lninut

o'

sr;tt

vnitt

?o'l

lo

O24l

io 0239

O25l

io

026l

to 0239

o

o

with

i-'

Pon'nt

'o

lilm'

Numbt'r

3wil'h'i

lol"on"l'

07'

0239

0239

poir

gr"n dol

rir

or'

'norl'd

Nunb'r

02''9

0259
0279
0299

of

unit,

R..oom.nd.d

c.d.

ABD/FC|

aBD/Fcl

t5t''

ond

tp"i'i'd'

tir'd'

fo'

rh't'

morl'd

Y'irh

r'ri3lo'r'

will

a!"'

bc

will

rhir

fcl

fct

rcr

rcl

rct

rcl
tcr

rcr

fcl

;cl

tcr

tcl
fcl

FCI

fcl

fcr

fct

fcr

fcl

FCr

rcl

rcl

rcl
fct

(

r"islor

vith

c

on'

b'

ro

in'ur'

v.ndol

ItF

8AI2N699B

8al2N6990

'Aw'

lho"F'd'

=

r"irl'or'

filn'

or'

y'llo"

o

dot'

st"n

m6tl'd

lf o

"nl

"prcco

P'oP'r

Vols't

ir

t''

dol

wilh

'olo'-

wirh

a

P'r-

6-2

pqrfu

ligt snd schemotics-section

6o

Symbol lon

'-

18013 023,4 8530

t8o!7

R8|OO

r8l0r 0229 9050
t8to2 0229 1910
t8r03 0235
t8l0.t 0203 0960

020:t
Or09 0830

x8ro5 oro0

r8r05 0235 5170

r8r0z

t8108 0236 3150

t8lo9 023,4 8510

n8t !o 0235

xStttt/a otoT 2791

l8t 12 023,4 8510

R8l 13 0234 8160

n8t f,( 0231 7970
n8r 15 0235 5700

t8I6 0235,4,fl0

mr

x8r r8 oroT

R8r 19 0203 0t t0

t8t20 0236 57@

t8r2r 023,a 8500

t8r22 023,a
t8123 0231 7970

t8124 0235

18125 0235

R8!26 0236 7050

18127 0203 t730
18128

t8r29 02(E 2090
r8I30 0236 7020
r8l3l o2m 2090
t8l32 Or3,l
r8r33

n8r3,a

R8t35 023a

n8r36

t8137 0203 l9l0
t8f3t 0235

18139 0236

ISlaO 023,4 8110

tSral &

n8t42
t8l,(l
rgl,f,a

t8145

t8t,a6 0234 86t0
e8t{7 023,4
t6l4g
l8la9

18150

a8r5t
t8152
t8153 023,a 8,180
l8l5,t

r8r55

18156 0203 2010

t815/ &

t8158

R8159

n8r60

t8r6t
e8t62
t8r63 0203 1650

a8l6,a 0234 A320
18165

8166 0236 0120

v8167

18168 0231
18169

17

A

&

0235 s330

0231 79lO

0235 Zr@

0235 92aO

023.4 9190

o2oo z0

023a 86a0
0231 UN

023,a 8010
023,1 6l@

0231
0228 7130

0203 I t70

0235 96@

0239 tt92

0234

0tO9

0203 l9r0

o2u 9220

0231 8270

0234 8590
0231

023.a 8140

Numb.l

22K

20t0

cohpo.ilion. l@l(,
voiiobl., comporilion, l0ol(,

9o0t(,

,a850

.ompdirion, loK,

compo.ition. l00X

0820

Yoriobl., .onpotilion, 5mf,
Gompo.ilio., 220f.

compolitior,

360X

l8x

a9r0

comporitior, !8(,

.voriobl.,

t8K

lrx

rq)

I1.5r,

comp$ition, !30,

56

Yoiiobl.,

5roo

compotition, 30 ALi

I1,5X,

43r

2K

8280

too

,l,alo

compo.ilion, l3O,

39,2X,

72tO

26-7K CCVy

.ompo.ilion, 0O,

30.!(

compo.ition. 17OK,

21.9x,

comporirion, 470f,

300

8O8O

l.lx,

3.9K, rW

17K

8610

(omPotilion,

l.tr,

92aO

220K

3100

390

co

62K

r0t(

17K

8ro

390

t50

7fi,

a14

9,tx

953,

.ompo.itlon,

r3(

2,a9X,

tx.

Go

8,a50

roK

08@

Yoriobl..

€omFotirion, 27K,

5.1x, rw

r.8(

Gompolilion. l0o.

3X
39X

11K,

r00

7970

8150

loK

5t0

O.tcipdon Cod. fvP.

=2096,.2W

1l%

rx.

t

j2o%,

5@K/IOK,
(TflG

(rRtc

|

%

(DC

.2W

lll,

rompo3iiion,

+zo.t

rEVEL X Ar

7.w

7.W

%W

al%

74W

conpotitio., l0O,

120%

SENS) CIs

oRlG

tl*

ar%

7.W

ll0.L

!t*

+l%

a

l5X,

t

r%

Po.itior,

750(

!t*,2W

tr%,

rw

750(

i

t%,

it%.

porilion,

t2ot(,.3w

tw

tw

IoOK,

cornpo.ition, 1.5f,

lswP

llo,L

110%

!t.L

rx.hi..&d V.ndol

t

l0i6

EArl

8AU

Y.W

pl

t10'tr

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to% ar.B

tro%

LCNcrHl

cGw

AIB

cIs

TEX

tEx

att

AI.B

crs

AI.B

AlB

cGw
cGw

al,l

ABO

cGw

cGw
cGw
cGw

AIB

cGw

CGw

ccw

CGW

ccw

AlB

CGW

AlB

ccw

ALB

CGW

AL!

ccw

CGw

CCW
CGW

cGw
cGw
cGw

ATB

cGw

ccw
ccw

cGw

CG\,,

cGw
cGw
cGw

AI.B

cGw
cGw
cGw

alB

ccw

cts

ALB

ccw
ccw

AtB

CGW
CGV/
CGW

ccw

CGW

ccw

c-20
EI

S..i..

cDt/2?a

cDt

/2?a

cl

EB

Scria 70

c8

c8

c-20

c-20

CB

c-20
c-20
c-20

N20

CB

c-20

65

EB

N20

c-20
c-20
c-20

CB

N20
NS-20

EB

NS-20

EB

N20

E8

c-20

Nr-20

c-32
c-20

E8

Nt-20
c-20
c-20

E8

c-20

c-20

c-20
c-20

c-20

sr-25

c-20
st-20

E8

c-20

Nr-20

sr-20

E8

c-20

Scricr 70

EB

c-32

c-20

EB

c-20
c-20
Nt-20

c-20

c-20
c-20

70

ly bol

R8r70

R8l7l

28172

R8r73

t8171

R8175

e8176 &
48177

R8r78
R8lZ9
18180

R8l6t

x8t82

R8t83

R82@

18201

R8202

R8203
r820,a
R8206
18207

R8208

x8217

x82t8
t8219

R822t

?s222
t8223

18221

R8226
78227

x8228

x8229

t823r

x8232
t8233

4823a

18238
18239 0203 1730 .omporirio", 17i,

R8240

l821tE/a

18212

(porl

s85r)
t8243

1824,a

t8245

e8216

ta717
[8248

R82,49

R8250

t825t

r8252

R8253

e825,r

t8255

18256

e8257

r8258
t8259
r8260

t8261

x8262

R8253

R8261
R8255
R8266
R8267
R8269

Pdrl Nomb..

20lO

0203
0231
0231 7970
0203 2070 .onpdilion, 330X,

023.a 8690 l@K

Ol09 08lO vorioblo,

0231

0139

0203 0160 composirion,

0234 8560 30X

0231 8280
0236 7190 37.1K,
0235
0234 7970

02Oa 0970

0204 I l9O compo.itior, 9lox

0235 4850 Gompolilion, loK,
0203 0960 conpo.irion, loOK
0235 5170 comporirion. 22OK,
0235 5,lOO compo.ilion. lt
0236
0231 7970
0235 4,a10

0235 4380 Gompo.il;o^,1@.

0234 8580 35K

0107 2393

023,1
023,4 8600

0231 7970
0235,1410
0203 0t50

0lo7 5900

o2o3 0r

023,4 85@

0236 2880

0lo9 0830

0236 7050

0236 zrm

O1O7 2701

0107 27ll voriobl., wir. worrrd,

ol

0236 3190
0234 8690 t00K

0203 1030 compo.ition, 20oK
0234 0690 r00x

023,4 8,450 lox

0203 2130 Gompo3irion, lM.

0234

0234 8.450

0231 6t5O 75O,

0228 7t3O 953,
o23,t

0203
0203 1940 coirporition, 27K,
0239

0235 9ffi 2,19K,

023,a 8,180 l3K

0203

023,1
023,a 8600

0231 9220 5.1K, lW

Ol09 O80O
0231

0236 5t@ 217,:L110

0236 O12O t1X,

023,1 9230 5.6K,

0231 7970 1@

.onporilion,

9150 17K,

1N

t@

7970

1392

6,8K, 2W

2K

,4,450

.onporirion, 2@,

t@

(ompo.ilioa,

220X

3100

lo0

(ompo3ilioa,

vo.iobl.,

36K

8580

43X

r00
compo.ifion, l3O,
colnporilion, 43

voriobl.,
corpotitionr

r0

,l3K

wiro

voriobl.,

26.7K

30.tK

vorioblc,

wir. wo0nd,

180

8030

rox

8,410 9.t

ll70

conpo.ilion, 750X

r92 r(,

.omporirion,

2010

ror(

8,150

,r3l(

v.riobl.,

1.8K

8270

O.*rlptlon

tW

co'nporilioa,

t

2o%.

BAr.l

!

t./.

.ompo.itioa.

t20%

conporilion,

a20%

wound,

conporilion.

a2o%,

vi.a wound,

tox, 2w

i

ro%,

lw

!t%,

!1'L,

K

tr%,

Lt%

<ompo3liion, 1.5X,

!2o%,

!ty"

rW

l00X

.3w

.17

I lox

130,

fi

(TRrc

30

5.8K,

.2w

(swP

2w

t.2K,

2W

1W

lw

l@K.

.xw

G

(swP

(swr

Y.W

Y4W

,

Y.W

%\{

Y.W

rEVEtl

7.W

sENsl

!1.t

lttlc

llO.lc

cat)

tl0%

!lo.l;

(swP

110%

25O,

tarE

y.W

50OK,

100,

,

loOK,

BAU

2.5r,/

2.5X,

vERNtEtl

110%,

tl0%

TENGTH)

l..omm.nd.d V.ndo?

Typ.

Cod.

AI,B EB

ccw c-32

€GW

C-20

AL8 E8

ccw c-20

CTS S.ri.. 70

cGw

c-20

cGw

c-42

AtB

EB

cGw

c-20

cGw

c-20

cGw

NS-20

AtB

c8

cGw

c-20

nc

GBlt/2

nc

GCtl

ALB

CB

at8

EB

AtB

CB

AtB

CB

cGw

c-20

cGw

c-20

ATB

CB

AtB

EB

cGw

c-20

ABD

cGw

c-20

cGw

c-20

cGw

c-20

at8

CB

AtB

E3

cTs

55

atc

E8

cGv,

2W

c-20

DAl

RS2A

CTS

S.ri.. 70

ccw

NS-20

A.B

EB

ccw

NS-20

ABD

ABD

cGw

c-20
c-20

cGw

E8

ATB

c-20

cGw

c-20

cGw

AtB

EB

cGw

c-20
c-20

cGw
cGw

st-25

cGw

st-20
c-20

cGw

AI.B

EB

AI,B

EB

cGw

sr-20

cGw

Nt-20

cGw

c-20

AI8

EB

cGw

c-20

cGw

c-20

cGw

c-32

CTS

S.ri.r 70

ccw c-20

N-20

ccw
ccw Nt-20

ccw c-32
ccw

c-20

/2

6-3

section

6o-ports list ond schemotics

,mbol

x8270

xa27l
t8272

R4273

4827s

18216

?8278

e8279

R8280

t828r

R8282

t8283

R828,4

t8285
t8286

x8287

rmot

t8302

t8303

R6306

(port

s840'

t8307

t8308 023,1

R8309

t83lo 0203 Il30

n83l I

18312

R83t3
t83 t.a
R83r6

t8317

r83r8
r83r9

R8320

t832t

18322
18323

t8324

R8325
R8326
18327

n8328

R8329

t8J3l &

t8332

18333

r833a
t8336

R8337
R8338

r8339

r83,r0

R83,al 0235 4260

t83r2

r$.a3

r83,a,a

r83,a5

t8346 0235 t7&

R8317 0236

18348 0235 a380

R8349 &

n8351

R8352

18353

18355

X8356

R8357

R8a0O

RSaOr

r8r02

-8403

)41 0234

.

Y84o6

e8107

Port

023,4 0590

o23r 8320

023,a 8.a50
023,1

o23a 8450 rOX

0203 2070 compo.ilion.330(.
0231 9150 17K, tW
0231 7970 t@

0203 0830

023,a 8690 l@x

&

0231 7970

0231 8280 2X
0234 8300

0239 1392

O2O3

0228 5r

0203 t030

023,1

0107 29lt

o,

0107 25,a5 voriobl.,

023,a 8130

0lO0

0231 A170 12K
0236 o27o toK,

0235 i7t0

0236 1&

0236
0203 0160
0235 a380
0203 0900 conporilion,
0236 5720 t2.tK,

022t 5o,to l.2tx,

A

0236 6590 A.a7K

0228

0228 5O.aO r.2lr(,
0235
0235

0236 5630
0235

023,1 0250 r.5x

023,a

023,a 9t60 3(, rW

0203 0070 .ompo.irioi,20
0235
0109 0700 voriobl.,

0235
0235

&

0235 1750 2.tK,

a

0235 5l5O l80t(,

A

0235

&

0203 1890

0231 8590 39X

0203 0240

023{ 8080 300

0236 0,a50 l5(,

023s

0231

0231

Nulnb.,

39X

3r

tot(

8r,ro 5r0

@nporition, 30X

t@

co'rporition, 5.lX

6.8K, 2W

(onpo3irion, ,aZ

0160

r0

r3.3K,

2oox

8690 r00x

Yoriobl., r5K,

rw

!20

80@ r3o

8.2X

corporiiion, 5lOX

yoriobl.,

0710

6720 12,1x,

i

365,

75,

.oDpo.ition,

compotirio^, 1@,

5l9O 62X,

9690 3.0tr,
9650 2.71K,

887.

4380

rOO,

t!60 3x, tw

,4260

comp$irioa,

i

1760

7.8K,5W

co'Ipo.ition,33,

1760

7,8X, Uat

7.8K, s\N

5680 lK,

comporirion,

,a38O

comporition,l@,

con'po.itioi,

@mp$ition,

1.32K,

9850

rK

8210

\'irc

5t2O

t00

7970

D...ilp$on

tr%

{PostfloN}

(ompotition,

coapo.itlon,

(xto

1096

!t.t

fr'6

tt

t1.L

11./.

al%

!l.L

il%
tl%
lle6

tr!6

y.W

.omporition,

l0* (xto

5W

ltr(,

7.W

it%

!1./.

wound,

,lZ

56(

33,

l@,

tO(,

12(

3.6x.

tl0%,

tEG)

V.W

%W

tEGl

y.W

t/.\

y.W

ato%

3w

ilo%

lmx,

250,

750.

l.(oDm.nd.d V.n.lo.

Cod. Typ.

CCW

C-20

ccw

c-20

ccw

c-20

ccw

c-20

CGW

C.20

AL!

EB

cow

c-32

ccw

c-20

AtB

EB

CGW

C-20

ccw c-20
ccw c-20

ccw

c-20

ccw

c-r2

AI.I

EB

rnc

Dcc

aLl E3

ccw

c-20

ABD
ABD

ccw c.20
ccw

c-20

at8

Et

S.ri..

65

c-20

ccw

Nr-20

ccw

Nr-20

ccw
ccw N20
ccw N20

AtB E8

at3 cB

AI.B EB

ccw N20

nc Dcc

ccw N20

rrc

Dcc

rRc

Dcc

ccw Nr-20

ccw Nr-20

ccw N2o

att

ct

ccw c-20

ccw

c-32

ccw c-32

AtB

E!

att

cB

CIS S.ri..

ccw tPt-5

AT!

ccw

CB

tPr-5

55

ccw rPr-5
ccw lPt-5

ccw Ns-20

AL8

CB

ATI

CB

atl

c8

AI.B

EI

ccw

c-20

AtI

E8

ccw c-20

ccw Nr-20

ccw Nr-20
ccw

c-20

DAt

CS-28

ccw

c-20

Symbol

R8408

x8,rc9

t8.al0

t8,al

I

t8412

t8,lt

3

l8t l,l

t8{15
t84r6

Ii8117

R8,a l8

R8lr9

r8420

t842r

R4122
R8423

74121
t8,425

18t25

a8a27

R8,t20

r8429

[84,a0

R8/l,. I

R8112

t8,a,i3

t84,aa

x8115
t8,l,a6

t850t

t8502
t8503

1850,a

R8506

18502

r8508

n8509

&

R05r0

R85l I

t85r2

R85r3

r85r4

t85 t6

t8517
x855t
r8552
t8553

t855t

R2556

R05'

18558

R8559

&

R85@

r8561

R8562

t8563

x856/a

R8565

t8567

1860t
r8602
x860:,

t86o,a

t8605

t8.o7

R9608

n8609

18611

18612

18613

l85l,l
t8615

18616

t8617

P6rt

Numb.r

0236 2800

0203
0231

023,4 0950 wirc

0236 0r(,0

0235 9750

0203 1080

0203 oZ,tO
0228
023a 8.ar0 6-8K

0203 l00O

0?31 a290

0203 I05O

0203

023,a

0203 0890 .onporirior,
0236 3150
0203 0830

023.a

o23a

023,a 8l.lo 510

0236 7310 19.9X,
0203

0239 t359

0235 0690 2,a.9l(,
0235

0239

0234 8lm 820

023,4

0239

0239
0239 0292 4t
0239 0285
0239

0239

0239 o28r

023t

0239
0239
0239 0289 r.8M,

0239
0239
0239 0288 l.2ri,t,
0239 0291
0239

0239
0239 028,a
0239

0239 02A2 10K,

0239 0281 20K,
0239 o25r r
0239
0270
0239
0239

0239
0203
0203
0235
0235
0235 a780

023,1

0231
0231

0203
0235

023a
Ol09 0,t5O

020:, 2130
0234

0lO9

wir.

0l0O

gO10

7120 19i,

OO0O compo.ition,

8la0 5to

8,110 6,8x

8200 2,2K

0000 .orporitio., l0

9600 2.a9X,

1359

82tO
0288 1.2,,A,

0291 2ril,

028'.. 2@K,

0282

025t

02ar ,A4,

0212 5.1rA,
0287 9@r,

0286 50OK,

0292

0205

0283

0211 9t

0212

0289
0287 9@K,
0285 5@K,

Ol l0 .onporitio.,30

03lO Gohpo.irion,

,t780

,1380

wound,
compo.ition,
2@

wound,

tlr(|

7.5r,

tt,L

3.1K,

conpo.ition,330K
(ompo.iiion,

!1,L,

compotition, 360(

2.2K

<ompo3iiion.

360t(

.ompodlion.30X

430,2W

,€0,

2W

tX

t,5.L

1.5%

!.5,L

,

.aOoX,

i.596

i3*

(OX.

!.5L

1.5.,6

2ox,

1r%,

r

8l{,

1r%

tt

r.5%

t.5r6
t.5%
t.5%

t.5

2tA,

!.s.t

1,

,

.r@X,

ij%

1.5,)a

2@r,

r20X,

=.5%

t.5

t.5%

ar%,

8r,r,

!t.L

,

!t*

5.11

,

t.5%

r.81,

!.5.L

t

Gonporirion.

.ompo.irion,

.onpoiition,

8690 l@(

75tO tSK

8530 22X.

0160

corhpo.ition.

4380

.o'npotition,

8690

too(

voriobt.,

t

l0%,

ADJ)

co'Ipo3irion,

v/ir.

5150
0920 voriabt.,

wound,9.lx,3w

(DETAY

D..crlptlon

!t.t
tt%

ar%

,5

20O

5.1r,

1@,

5.1K,

,az

rm,

wir.

t.5w (DrY

trrt,

wir.

yEtNtE[]

t0(, 2W

27

6(, 5W

t2X

1w

2,40(

l0

5lK

lw

lw

y1W

y.w

y.W

y.W

wound,

it0%

wosnd,

ztx,

c^t

2X,2w

L.omn.nd.d

Ccd.

lyp.

DAt

CS.2A

AI.C

EB

ccw c,20

wsl 5x

ccw

c-20

ccw Nr-20

ATB

E8

al.l

El

ccw sr-20

cc\ry

c-20

ATI

EB

ccw

c-20

at8

El

ALB

EB

ccw

c-20

al'l

E!

ccw

c-20

AtB

EB

ccw

c-20

ccw c-20

ccw

c-20

ccw

N20

a$

E3

ccw

c{2

ccw

Nt-20

ccw

Nt-20

ccw

c-20

ccw

c.2o

ccw

c-20

A3D

ACD
ABD

A8D

ABD
ABD

ABO

A8D
A8D

430

A8D

ABD

AID

ABD

430

ato

A3D

AID

ato

A8D

480

A8D

ABD

ABO

ABD
ABD

AID

a30

AI.B EI

ar.t

El

AtI

CB

AtB

CI

AtB

C'

ccw

c-20

ccw

c-20

ccw

c-20

Ar.t €t
Ar.t

cl

ccw c,2o

,(t^.t

cts

A$ E8

DAt

CS-2t

Cl,S S.i.r 62JA

V.ndor

6-4

section 6A-electricol

ports

lists ond

schemotics

Usymrol

t86t8
t85r9

t8620
lE62l

48622

R8623

r8z0t

48702

Rt703
?4701

t8705
t8706

a8707

t8701

58lO

a s8r

Stl2

s8l3

ol

{Porl

lSlll

F/?l

5820

& s82r

5822 0503

s823
(port

o,

aa222l

S82a 0503

FEd Nunb.r

yoiiobl.,

O4tO

0109

l37t 2.2K, 2W

0239

,1380

0235
0231 8170 12K
023a 8a90

0236 7190 37.1K,

023.1 8710 l2oK
023,4 8560 3(X

0234 8280 2X
0236 3120 270K

023,4 l35o

0236 7or0 2,r.3X,

023,4 83@ 2.aX

0235 7130 32.1K,!t.t

0503 2570 rlid., OP3T

r

0303 25!O .lid.. oPOT

0lO7 2791

O5O3 2570 rtid., DP3T

0l0Z ,393

.omp6ition. l0O,

I5X

3.9(

prrrh-pull.

2580

rlidr, DPDI

puth-pull,

toggl.,

2ru

lx.6i.n# V.rdo.

zERol

C.d.

CIS S.ri.r

ccw c-42

alr

ccw c-20
ccw c-20
ccw
ccw c-20

cc\f,

ccw c-20

ccw c-20

ccw c,20
ccw Ns-20
ccw

ccw Ns-20

O.r.rlptlon

.onpo.ltion, 250,

t2o%,

!t*

tr%

.3w

(oEray

Y.W

swtrcHES

sPDr

(S8Io-sOUnCEl

r

lsSr

-couPr.rNcl

lSLOPEl

I omp.r., 125Y.

(PUu

Err

xd

(S820

SOUICE} SIC SS-s,a

-

(s82r

-couPUNG)

(SIOPC)

sIC SS-5,4

STC SS.54

src

sTC sS-50

I omp.rc, 125v,

sPoT

I l5Y

€xT

lPutt

DP3T.5 ohp...! or

No)

sTc

cG AICO l.tST-205N

lyp.

cl

Ns-20

c.20

c.2o

l..on!rn.nd.d

v..dot

Symbol Pad Nulnb.r O.(rlpllon Co& Irp.

s830

(po.l

70

18304

S8,(}
s850

s85t

(p6rt

R82a2l

ol

Ol07 2515 rlid., OPDI
O50l 7123 rclorv. 3 3.ction!. 6

Or0l 7691 rctory

OIOT 27ll tctor'1,

of

60'

lDrsPlaY

(IlrlE/Dlvl

lin.or,

3 o'np.r!r, l25v ABD

(PUlL

Xlo l4^Gl A8O

po.iriont,

tocrc) AaD

sPDT,

ABD

IIANSFORMEI9

2336

plutra

puLc

pulrc

p.oring

TSlOl 2@t 3712

18201 2ml 3Zl
T8601 2@l 3742

vStol &

v8to2
v8t03 2501 3150 7587

v8l0.a

Y82or

Y82A2

v8203

V82O,a 25Ol 3430 7586

28601

25ol 3,a30 7586

2501 3,430 2585

&

2501 Ufi 7586

2501 Ufi 7587

88@

ETECTRON TUBES

NETWORX

ABD

AEO

BD

Nuviirot

ICA
ICA Nuvitlot

tCA Nuvirlo,
ICA Nuviio.

ICA Nuvi3tor

RCA NoYi3tor

AID

6-5

SECTION 68

SPARE

SPAIE PARTS

o. Generql

The Type

is

In

an extremely reliable and depen<lable

ment.
proved

Only

by the

Laboratory are userl in this

performance tests, environrlental and life testing of

production units make certain your oscilloscope will

give many years of satisfactory service. These
Fairchild

require no selectetl parts.

Two lists

you in periodic rrraintenance. The running-spare

lists include recornrnended

symbol numbers. Section 6A

gives a complete

ual
their recomurended vendors so that you may readily

procure thern frorrr a local

stores.

Noter The local Fairchild

Field Engineering representative and his service

ganizadon

conrponents in the

expediae service,

Serial Number of the

part number

Section 6A

(see

5Oo-Hour

b.

The recomrnended list for

follows.

REQUINEMENTS

74-l3A

Calibrated Delaying Sweep

cornponents

engineers o[ the

oscilloscopes

"running

ot

are

listing of all components and

can assist you in

shortest

alrvays give the Type Nunrber and

instrument;

give

and

of
Spor.i

a description of the courponent

this manual) .

(6

Elcclron fubcr

tymbol

vll0t

vttm

lrontialora

Q8001

o8002

Q8r0l

o8102

07

o8r

o820t

o83or

o83oz
o8308

oE40r
o8402

Q860r
o86o,a

instru-

thoroughly teste(l and

Quality

irrstrument.

Assurance

Continued

precision engineered and

spares"

are included to aid

quantities and

this Instruction Man-

of

supply

house or your

reference

Scientific Instrument

obtaining

possible

any additional

tirne. To help

always specify the

monthrl

one through three units

Ouontlly

Plug-

ap

new

parts

own

or-

PARTS

c. 2000-Hosr Sporer

The recommended

is given

each oscilloscope in use;

spare list given in

listed

below. Maintain

as lbllows:

lymbol

<800r

c6002
c8003

c800.t ..................

c810r ..................

c8lo2

c8r03 ..................

c8t0.a ..................

c8r05 ..................

c8r06
c8r07

c8r0t ..................

c8ll1

c81t2 ..................

c8r t3 ..................

c8l

c8r

c8t

c8r20

c8r26 .................,

c8t29 ..................

c8r3l

cu32 .................

c8r3r

c8 t35 .........

c8137

c820r........

c4207

LIST

Diodcs

Symbol

cR800r

ct8r0r

r3

cRSr

cR82 r 3

ct840t

cR660t

Lompr

DS8r0t

os830t .............................................. t

ycorrl

12

list for one through five units

spares

o[ each

2

paragraph

Copacitorr

Ouondly

.................

..................

..................

.................

..................

.................

.................

t5

..........

r6 ..............

1t

..................

..................

..................

............

.............

DS8101...................... I

os830t ...................,.. I

J8t00........................

J840r

P800r ........................ I

I

I

3

.......

3

...

.

...

......

Lompr

Eleclricol

........................ r

Connetloru

Ouonllty

indicated plus

set of

(b) plus

5y6bol

c82r9

cr23r

ct231 ..................

ct3@.............._..

c8302 _..._._._.__...._.

ct305 ..................

c8309 ..................

c83

ct3l4 _....._._....._._-

c8316 ..................

c8317 ..................

c83rt ..................

c8a05

c8,406 ..................

C8,i09 ..................

C8,ll6

c84a1 .................,

c850t .........._._...-.

ct502 ..................

c8503

c850.a

ct506

c8507
c8508

c8509

c85t0 ..................

c8558 .................,

c855r

c8563 ................-.

ca.o7

Quqntity

r

l3

I

I

I
I
I

the

the

..................

..................

..................

..................

................

.....,............

..................

for

one

500-hour

quantities

Ou!n{t,

6-7

section

6b

spore

-

ports

Iist

ttmlcl

......................,.

t&xr

........................

t8@2

........,......,...,....

t8003

........................

t800.4

........................

18005

........................

t8006

........................

r8@7

tt@8 .......,................

........................

18009

........................

t80rr

2 ........................

t80l

.......................

It0l3

tar@ ........................

........................

t8r0r

18t02 ..................,.....

........................

ttr03

18104 ........................

........................

t8r05

r 06 ._.-....................

ttio2 .......,........,..,....

........................

18r08

........................

tSuo

rSllt .....,..................

r8lt3 ........................

It 4 ........................

........................

t8 5

t t6 ........................

r7 ........................

e8r

r tS ........................

r9 ........................

18r

r 2r ........................

18r22 .._.....................

r 25 ........................

x8r 26 ........................

I8r27 ........................

r8r

........................

28

R8l 29 ........................

n8130 ........................

t8t32 ........................

tEl33 ..........-.............

18l3,a ..........,.............

18r35 ........................

rEr36

........................

t8t40 ........................

tSral ........................

tEra3 ....,...................

161L ........................

tll,ai ........................

t8r,a9 .,.....................,

t8t50 ........................

t8l5l ........................

n 53 ........................

lEl5,a ........................

18r55 ........................

t 59 ........................

t8160 ........................

t8l6l ........................

tll62 ........................

n8t63

........................

18l6,a ............,...........

tlt66 ........................

rlr6t

........................

tllTr

........................

t8t73 ........................

rtlTa

........................

t 78

........................

t8t79 ........................

tttSt

....................,...

lElt2

....................,...

lE2@

......................,.

r820t ........................

18202

........................

tt20z ........................

tE2o8

........................

tt22t ........................

t8222 ........................

l.ilrtorr

Oucr

I
I

2

2

I
I

1

I

2

r, ty

r822a

18233
Rtz,al

t8242
r8243

R82,!a

R82,45

rt249 ........................

R8255

r8261 ........................

r8265

x8257

t8268

lE2Z5 ........................

t8280

r83or

t8306

r8307 ........................

r8308

18309

t8310

t83lI

t83r2

rt3r3

l83t,a

rt3r6

t8317
r6320

R8322

18323 ........,...............

r8325
t8327

tt328

r8329
t8333

18334

r8337

18334

r8339

t83ro

18343 ........................

t83a7 .....................,..

r8348

t8349.........................

t8355

r8,402 .......................

m,ro3 ...........,......,.....

t8a0a
t8406

t8.t0t ........................

t 09.......................,

l8,ll0

t8,at

r&atl ........................

t8ar3 ....,..........,......,.

t8,at,a

tt,al5 ........................

t8,fi 6 ........................

l8,ll7 ........................

t8a11

t8al9

tlt2t ........,...............

18,429 ........................

It,a,at

t84,42 ........................

tla,ls ........................

t850r

t6502 ........,...............

16503 ........................

t850a ...........-........ .

r8Jo6 ........................

18502 ......,...........-....

t8508 ........................

rE509 ...................--.

tt5 ........................

t85t2 ........................

bol

........................

........................

........................

........................

........................

........................

........................

........................

........................

........................

........................

........................

........................

........................

................-.......

........................

........................

........................

........................

........................

........................

........................

.......................

........................

........................

........................

........................

........................

........................

........................

................,.,.....

........................

........................

......................,.

........................

........................

........................

! ........................

......................

........................

........................

........................

........................

Ocorllly

.

3ytnbcl

........................

It5l3

n85t,a ........................

*85t6 ...................,....

R85r7 ........................

R8602 .....................

t8608 ........................

x860t ........................

t86la ...................... .

t86t6 ........................

e8617 ........................

Quontlt,

syi5ol
r86ll

t8701 ........................

18702

n8703 ........................

R8704
R8705

R8706 ........................

e8708 .......................

Tronsformcn

sr'nbol Quonlhy

.................. I

rll0t

................ I

18601

SwitchGr

Stock

only one of

each 3 units

being maintained:

each of

stto, Sttl, s8t2, stl3,

st23, sl2it, St30, 3140, 3150,

Nota;

Should a

particular switch receive

normal use in certain applications,

stocked of that

particular switch should

d. Illircclloneous

following

The

of one

lor each

Burhing, sholl

Bushing

,,ti.rodi.l

x6ob, rnoll # I

(nob,

l(nob,.tir1 ...................

Xnob, di. cor.

xnob, 3'roll
xnob, r'noll

xnob, !'noll

t.r.ir.

HY8303 A HYt3oa

rl, t8l0l

Coil.

e. Sunmory

The quantities

paragraphs

duty under normal

ditions. It is

evaluate:

L The

conditions under which the

be used.

The

2.

3.

4,

efiects

It

outlined

ments

skill of the

Other similar items on hand.

The eftect of

of instrument down-time

is

recommended that inventories of spare parts

above be adjusted

your

of

In the first

availability

extensive life testing

higher failure

items may

units

2

..

ground po.l

tnurl.d

#2

I

I

#

#

8.odr HYtl0l,

of spare

are intended for industrial

environment

suggested drat the

maintenance

procurement

own laboratory or

analysis, the factory

of

spares or standby

of

rate for

the following switches for

st2o.3t2r,5t2r,

be

stocked

maintained:

being

parts given in the preceding

maintenance

on

according

your instrument has

any specific

Qocntlty

........................

R86r9 ........................

R8622 ........................

........................

stsl

more than

the quantity

then

doubled.

be

quantities

in

torl Nuilr.,

430t 0033

358r

a30l

.4501

0430

r50l 0,a3 |

,a5or

2152

,r50r

2l9l

221t

1501

2261

1501

a50t 2271

1fil 2XO2

a50r 231I

r0 15@

2r

r35o

2t l0

320t 3143

military

and

and heavy-use

engineer

insruments

technicians.

time of spares and

your

organization.

to the require-

plant.

recommends

equipments

component.

since

shown no

con.

will

the

6-8

spore

ports

list-section

6b

COOE

NArrtl

agD Du Mo6t Loborolori.t

AEt A.rovorCorporotion
AHH A.row.Horl

& H.g.hon

ALB Allcn-Brodl.yComPony
AIC Alliod Conlrol

ALCO
{LD

\MA
IMP
AMI
AMX

APC
Arll
AnC Arco
AST
AUT
BEL

8NS Bournt ln(.

8UR
BUS

CAN

CBs C8s-Hytron

CDE

CGW Co.ning

CH
CHC Chc3r.r
CtlM
CIN Cinch
CLS Clororlot

CoC Contin€ntol

COM
COW
CPC

CXt
CST
CTC

CIS
DAc

DAl,

DIC

DRK

EBY
EDL
EIA

El.C

El,D

EMC

EMW
EIC

ESX

IASI
FCI
fER
cDE
OE
GEN
GEP
GLB

cRC

GtY

GUO

HAM

Elc<troni. Producrr

Al.o

Ptodu.b ComPonY

Aldcn

ll.clronic

Anolon

ln..

AmP

Ampcril. ComPonY,

Anp.r.x Elldroni.t

Aft.ri(on

Amph.nolEl.(t.onictCorporotion

Artron Corpo.otion

Auromoli.

Ecllut.

Eurndy Engrg. ConPonY

Su.3monn

Cotr.on

Corn.ll-D,'rili.rEl.Glri.Corporolion

CsllcrHonh.r,

Chorh.mEle<konic.

Cohdr

Conlin..rol-WirlEl.ctroni<!Corporotion

C.
C€nlTolobi
Chicogo Stonddrd

Combridg.Th.rmionicCorPorolion
€hitogo
Dog. El.<lri. CoDPonY,

Dol.

Diol;ghlCorPorolion

Drok.

Hugh

Edol

Any monufo(tur.r

El.(lroMon'rto.turingComPony

Eld.

tle.lro Motiv.

Elnwood Sensort,

Erie Re.i.ior Corporotion

Et3.x

John

Foir.hild

f.rorcube Corpototion

Good-All E,.(iri.

G.n.rol

G.nlral

Gen.rol Produ<t! CorPorotion

Glob.

Ccnct6l

Groyhill,

Ih. Gud.hqn ConPoiY

Ph.nolic Corpo.olion

El..lroni.r

A.lol

Mfg. Compony

El.clric Co

Divirion

wort!

Gro3r

Cobl. Corporolion

ltonufoduring

Mfg. Co.,

Corbon

Elecrric

P.

& Compony

Clo..

Divition

Talcphone

Prod',t|3,

l6du3tri..

o

t. tod Corpony

ln(.

tg.

Cohpony

H. Eby, lnc.

CorPorotion

Mlg. ComPonY

El.(l.onicr

Con.ro o.d

El..iri. Compony

lrnrum.nt CorPorolion

lnduslri.t

todio Compony

ln..

ln..

Prodo(k CorPorotion

lnc.

Mfg. Co,iPonY

Th. Hommorlund

LIST OF RECOMMENDED

El.ctri( Compony

Hordworc

lnc.

Produ.t',

(Elm.n.ol

PonY

of CBS

lnc.

of Glob.'Union,

Tro.3former Corpo.olion

SuPPly Corporolion

n..ling EIA 3londo.dt

ln..

/v\onufocluring Co.,

lnc.

ComPonY

lnc.

ln<.

ln3iruncnt Corporolion

of Am..i.o

ln(.

VENDORS

cooE NAIITE

HON

HOP

HP

IEC
llC
IRP

ITT

JEt
JHN
Jwlrt

KUt

Kxl,l

LED

tEE

Ltl
LIN
A.IAL
rttcr

l{c

A{OT

r,ruc

NYT

OAK

PHC
PHI

PLS

POT

PRC

PYI

RCA
RiAC
ROY

RIN

stG

slt

str

soL

SPG

src

SUM

sYt

SYN

IEC

TEX

THC

TOt

lns

TNU

TUG
UCN

UTC

vrc

WDE

wE5

Honeywell

Hoptin3 Engin..ring Cohpony

Hewl.n-Po.kord Codpony

l.ler.orio6olElettronic3Corporot;on

lnlernotionolR.3illqnc€Compohy

lnl.rnolionolRetlifi.rCorporotion

ITT Co'nponetrtt

Ele.tronic.,

J.lf.r3

E. F.

Johnson

W. Miller ComPonY

J.

Kullo 6l.clri.
Kliron l,lclols ond Conlrol

ln(.

leder

Leecrott

Lilllltu*, ln..

Line Elettric

P. l. l,{ollory & Compony,

l ic.o Switch

t.gulotor Co.l

micq'nold El.clroni.t

ElGClri. Compony

l,lill.r

/rlotorolo S.mi.o.dudor

volve

M-O

Mucon

Co.porqlio.

Th.

tiul.r Co

Ncw Yo.t Trontforhcr

Ool Mlg. Compony

Phiko Corporolion

Philipt El.clronic

Ploiloid

Pott.. & Erumficld,

Prcci.:on nclirtor
Pyrohid tl..tric Conpotiy

lodi.

Corpororion

Rodio Motcrirl' Corporolion
Royol El.ctti(

Rorron l f9. Conpony

Signolil.

T.on.istor Corporolion

Silicon

S.olc.lro Corporotion

Solilron
Sprog',e

Sroctpol. Corbon Compony

Stoodord

5s6'rit

Stonwyck

SylYonio Elc(lri.

Sytrtrori(

T.on3i3ior

T.ro3 l.n.uncntt,
Thc.dol Conlrol,

Torrington

Iru.Ohn Produ.lt

Tung-Sol

Urinil€ Conpony

Unil.d

Th. Vi<ror..n

Wood El.ctri. Corporolion

word Leonord El.clric Co6pony

Wsto. Ele.lri.ol

Welwyn lnler.olio.ol

DiYition

ltt(.

ConPonY

Mfg. Co.

A.ilg.

ComPony

(Divi3ion

Compony

pqny

Corporolion

Tub. DiYition

Co.,

CorPorotiotr,

lnc.

D.vi(ct, ln(.

El.(lric Conpony

Winding Compony

ComPony

Coil

Winding

Produ<t.,

lndrunent3,

Ele<nonit3 Corporotio.

ln..

MIg., Compony

l.(.

El..tri.

tron3form.r ComPony

ln3truneni Compony

lnitrun.nt

ln(.

CorForolion

ln..

of l'tinn.opolir-Hon.yw.ll

l,ttg. Corporolion

Prods.lt, ln<.

tld.

Co'npony, lnc.

ln..

lnc.

Amcrico

ol

lnc.

ComPonY

ln.'

ln..

lnc.

€orpo.olion

ln..

6-9

INSIRUMENI

WARRANTY

AND

SERVTCE

NOIICE

WARRANTY

The Instrumentation

each new

Test Equipment,

Test

to as

free from

normal
from

uEe. If, upon

ment is determined

or

material, Fairchild

set forth
replace

liable lor

Cathode,ray

or Measuring

"Instrument"

defects in

use and service

date

the

examination

below,

it with

oI its sale

either repair

a nerq

and

Division

Oscilloscope,

other

Electronic or Electrical

Equipnent

manufactured or sold by it, is

)

material

or workmanship

lor

e

warrants

Automotive

(hereinafter

period

of one year

referred

to the first purchaser

by Eairchild,

to be defective

will, subject

the Instru.

in

to

that

under

for

CHANGES

The

right is

specifications

nish

merchandise

fications

equipment

meot in

cepting

without incurring

previously

accordance with

under the

IN

SPECIFICATIONS

reserved

of

equipment

in

accordance with

sold,

to

change the published

at any time
any liability

and

current speci.

to m;diIy

or to

.?tsler

to fur.

,}rftorized

Fairchild

it in

connection

other

thsir

as

REGISTERING

To

register

registration

mailed

diately

information
BER
STRUMENT

Instruments

receipt.

be

taken.

to

the Instrument

upon-

AND

since

honored

THE

or

with

stated

above.

THE

WARRANTY

this warranty,

card

must be

receipt

is

necessary.

of the

SERIAL

MUST

must

claims

by the

BE

be

examined

for

carrier

Expressed

to

assume

impose

any obligation

the sale

the

properly

Service

equipment.

BOTH

NUMBER

GIVEN

damage

unless prompt

is in

or implied,

anv

liabilitv on

oi

any lnstrument,

enclosed

Department

THE

ON THIS

immediately

in

warranty

filled

out

Complete

TypE NUM-

OF THE IN.

transit

action

irpon

imme.

CARD.

upon

will

lieu

and

and

not

will then

the written

i-and

shipping hstructions,

packed

be

this procedure;

attached
REPTACE'IIENT

nent from
and

ing parts

them

consult
The

and

ponents
expedite

PATENT

Manulactured

owned

strument

is

ton, New

upon

to each tube or irrstrument.

II it

is necessary

the factory,

Serial number

for

for

out-of-warranty

the Parts List

Parts List gives

Fairchild

used

service.

NOTICE

or

controlled

Corporation.

Jersey,

request.

and shipped

and identification tags should be

PARTS

to order

always

oI the Instrument.

in-warranty

replacement

in the Instruction

the values, tolerances,

part number

in

the Instrument.

under

one

by Fairchild

50

U.S.A. Patent

procedure

All

in

accordance with

replacement

a

give

the Type number

or

replacement,

for

all electrical

This

or

more U. S.

Camera and

Somerset

Numbers supplied

for dis-

equipment

compo-

Before

purchasing

be sure

Manual.

ratings,

will help

Patents

Place,

order-

to

com.

to

In-

Clif.

t

-

-

-'-l

I

ll!

ll

tl

ri

tI i

t:i:itl

rlrul

I

i

,
I

I

!l

I

Ir

EI

l9l

|;I

l5l

l.al

- ----.trt----

Eit"

E"

rJ

tEt

l:l

la-l

l:l

t5t

t3

t!t

l;I

t"-l

lEl

ri

ii

TA

t" 9t

I

l.

.ergl

'i;!i

!l

t3-

!r

I!sl

t!!

oir

B

lEl

l:l

lEl

l5l

l'l l:-l

lal li El

lrl 13 I

t>t

ta

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!:

l;I

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t.t

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lll

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itit

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I6

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ADDENDUI4

ipn

TYPES 74-03A,

(

Re

ference

A.

PURPOSE

the followlng

Incorporate

change

changes In

Unlt

TYPE 74.03A

TYPE 74-I1A
TYPE 74-13A

B. PARTS LIST RSVISIONS

In

changes.

Delete

Parts Llst for

the

No?E !

O83O?

Q8310

7{-11A and 74-13A

Manuals

was made

Speclfled Bel,orr)

to

the followlng

gach

2600 8630

2600

manual

pertaLnE

DU

8620 Alternate 2N3Ill

Plt

c-rNs

correct

ampllfier non-llnearlty.

manuals.

llanual Part

670{

.6?0'l

6704

Number

4062

3333

3231

sPeclfled, nake the

to the TyP€ ?l-03A

t36

followlng

on1y.

Adal

Delete

Adtd

scBEl{ArIc

c.

on th€

Change
Change

De leto

NOTEr

Q830?

!!]|!

CIiANGES

follorlns

schematl.c

Type
Type ?{-11A
Type 74-13A

08307
08310

reference

o8310

7{-03A

type to

s

Q8311

(Selected

DU

DU

DUI36A

make

th6 chang€s

(Selected)

IDU

136A

136

35A

e

36A)

08311

!!l|!

2N3114

2500 3061

2600 8540

'zeoo

*zeoo

schernatlcs

Hor

Hor Defl
Hor

read,

type

eoro
eero

Defl

Defl A$pl

|DU36A

to read

Q8307, Q83I0

AnPl

AmPl

FAlSileHlLEI

apecifladt

sheet

Nunber

3of4
5of7

5of?

6704

ECN

Sheet l of

7731

32,363

IN STRU M.ENTATIO

A

OTVTSTOtl Ot,AtiCHrtO CAtEf,A

AtaO tlllSriUrt

T

COiPOiAtlOl'l

N

ADDENDUM

FOR

PURPOSE

A.

The followlng

Eom€

B.

PARTS

In the
tollowlng

Svnbol

c8609

cR8214

R0l8{

8CIIEUArIC

c.

on Schematlc

1.

ln each

IIYPE.

(Reference

langeg

I,IST

Parts

&

74-I1A

change

5f,

REVISIONS

Llst of

changes

cR82I5

'

REVISIONS

of

& 74-}3A

Manual

was

delayed

the

.

ParF

0317
2600
0234

oNormal

referenced

tha

DEI,AYING

Part

mode

Nors

made

of

above

to

operation'

referenced

NumPe,r

5210
6910
8380

Delaylng

&

manuals

SWEEP

6?04

3333

ellminate

manuala

DeEcriPtlon

51

cM,

Dlode,

RFF,

Pf,

FD8'11

s.LK,

Sr,reep

make

PI..UG-INS

&

6704

double

500V,

L/zW,

3234)

trlggerlng

make tho

+5t
+5t

Generatorn,

followlng

the

Sheet

changee

on

2 ol

7

t

Add

a.

R8607

b. Add

Schematlc

On

2.

Add r€slstor

capacitor

R8604 to

&

cR82l5

cR82l4

t

sweep

'DA

(RS18l),

(c8509)

ground.

as

Generator

s.IK

pf

51

Ehown

ag

from

ehown

Flgure

ln

strobe

e

ln

thE

Figure

FAlFlcHll-EI

functl'on

1'

ckti,

Sh6ot

2'

570il

ECN 32,377

sheet I

ol

I ol

7831

7

of

INSTRUMENTATION

A OrVISrOn

lAlRCrllto

Of

cAN€RA

lttsTFuMtxl

llto

coiPoRAtlon

;

6704

ECN

7831

32,377

6hc.t 2

ol

2

.n

.l.tor

R825L

BEFORE

.hown on

1.

-il.

ll''

2o5ll

Schenatlc

cR8

r{

R82

20

Sheet

_Arri&-

To

R8181

sHr {

I

ot 7

ln

PD841

Type 7l-llA

the

r -

-1

BEIOSE

FIGURE 1

r)

AFTER

UNBLNT

GAlE

TO

cR82l5

SHT 2

TIGURE

2

ADDEIIDT'I,I

FOR

PUNPOSEA.

[he follorlng

catlonr .

B.

TEXE

In the

l.

mrnualg,

a.

In ch.rt for

2t

rlm-ttrrk
&arl.tr

r

In Saotlon

3.

chengr

TIPES

(R.f

RE{'ISION6

swecp

In

Dotc

add

and

...In

l0 dlv.

antl

? thlng

Step 11

?a-llA

chaaE€

r

waa nade

callbration

lollolnE

Dlkc

the

botton of

!t
ths follorlng

adlditlon,

i0.2

Goneiltor

the

Da!!ta'

5

dtv.

ryrlle

rohtcd

to

under

?a-11A

to nad

7a-13!

to

chart

chart

Eent6ncc

c€ntcrcd sueep

the

...

only,

t.tting

nu$er

tlnlng

'17

tha Faat

ag follors:

lELrf,IlG-liwEEP

PLUG-INS

clarify areep

s€ctlon

in

chang€a:

chang€

+0.5

at end

should

Po!

the

gec

ltive

.

'

uarker'

changc

lrou

'5

of

narks

Srecp Calibration

llnearity

I for

both referenced

to r€ad

of not€!

be rithln

1a3t

refcrencod

to

pulaea

paragraph,

3{}

slrclfl-

+0.8

'1

fron

aGc

...grt

ebovo

ru..p

tha

proccdura.

ipprorltrtely

porlflom.

bc

th.

lep€at

radc

x10

DtgDlAI

LOGIC ewitch

to

All raaurernta

6ttrt.aod,

includlng

r{oRll and.

ahould

...

FAIFTC;HILtrI

thG

rlth th€

llAG

6704

EcN

8191

32,453

Sh.€t 1 ol

h-.

'-w-tc

INSTRUMENTATIO

rnsltulaht totloa^

I orrrsrol'r ot

rlricxr(D

cartll

lio

N

rr0l

ADDENDUM

FOR

(Reference

A. PURPOSE

The

foltowing

reduce

PARTS

In the Parts

following change:

Prom
To

C.

SCHEMATIC

On Schenatic

in each

type of

TYPES 74.11A

Manual

change

strobe

delay.

I.IST REVISIONS

LiEt of

Syrtrbol

08002

Q8002

REVISIONS

of the

Q8002

Part Nunber

2500 73?0
2600

nsweep

above referenced

from

T

74-I3A

Part

was made to change

DELAYING SWEEP

Nor s

5704 3333

PLUG-INS

e 6704 32341

transistor type to

the above referenced manuals make

Description

DU*8A,/iN699B

22L0

Generator

DU*8A,/2N6998 to

2N372

strobe

&

manuals

2N3723.

3

Cktn, Sheet 4 of

change

the

the

7

transistor

FAi Rep;iutr

INSTRUMENTATIO

l0rvrs

or 0f

llrRcH,L0

caMERA

AN0

|l{sTrluMEt{i coiPoRA

N

rroI

s:3',1:3i,

Sheet l of

ADDENDUU

FOR

IYPES

A. INTRODUG{IOT{

thig addlendlurt

Unit

74-O3A

7{-llA

74-13A

PURgOSE

Th. folloulhg

PARrs

In the

add the

Synbol

R8{ 30

LtsS hEvlsroNs

part!

folldring

P

74-03A,

pertalns

TYPo

tlne

Base

bdlaying

belaYlng

change

llst

f,or each

reglst6rr

No.

ait

L770

to

sreeP

SweeP

ra8

7rl-11A

tho

nude

E 74-13A

following listed

Manual Part Nunber

to renove

of

above refcrencod

the

Description.

Conpotltion,

PLUG-INS

6701

6704

6701 3231

4602

3333

X-Y croer

1K

manuals

Codc

ALB

:

coupllng.

rntnuals

trype

EB

D.

SCHETIIATIC

on schenatlo

and schenrtl6

for the

Reslstor

REVTSIONS

"trilE,/Drv

lypcr

R8l!0

FAIFTEHILtr'

srltcHr ahect

'rtNELAtlxINC

74-11A

fron

and 7rl-13A,

P800I-6

{18001

tt

ll

t-<

I

8

AI{PLIFIER

add:

ground

to

P8001

I

COMIECIORST

a. thorn

e€r-<nn-{l'

R8430

1r

I lor thc

of

sheet

belor.

lypr 7l-03A,

7 of

7

6701

Sheet I ol

ECN

32,1a0

8101

,0-4

!-

rr-LL

INSTRUMENTATIO

r

orvrltott

rllianrto cATERA

oI

ano ri3trur€ir coilotl

N

lroi

ADDENDU}{

FOR

A.

B.

SCIIEI4ATIC

TYPE 74-11A

erence

PURPOSE

The

followlng

off circult

elimlnate

mode in the

on Schematic

1.

nalfunctlon

REVISION

7, ln the

change:

Dlsconnect

a.

R8L25,/cRBlL0

wlth

Add

b.

c. Add diode

cathode of CR8l07

74-17A DELAYING

74-13A

change

Types

the

ln

Type

74-17A.

"DA

Type 74-t1A and 74-13A nanuals,

capacitor C8113,

resLstor

capacltor

CR8114, FD84I connectJ.ng cathode

&

was made

7,1-11A

due to

sweep

and

R9132.

Generator

ground

C81I0,

and anode

to sPeed up dlscharge

and

74-13A

delayed

and

pf

10

trigger

strobe Clrcult' sheet 4 of

t

pf

I00

reconnect

from

Q8103

to

08103-base.

SWEEP

Plug-Ins

PLUG-INS

&

of

armed

and

hold-

to

ln the armed alternata

make the foll,owlng

to

to

of

ground.

fron

lt ln

emltter

Junctlon

parallel

end

c.

2. On SchematLc

Type.74-L7A manual

tha

Add

a.

capacltor

coll.ector.

b. At

08406

c. At R8489 change deslgnatlon of serieg connectea reslstor

from R8437 to R8438.

d. Add dlode CR8{20, FD841 connectlng cathode end to

cathode

PARTS

LIST

REVISIONS

1. Tvpe 74-I7A
a. Add capacltor

nlca

,

b. Change CR842I to

"DEIayed

Sweep A

,

c8410, 10

change reference

of CR8404 and

C8410,

pf

I0

EEA.E

type E!,lC

,

read CR8420.

[rQffi$4

Generatorn

make the followlng changet

pf

between

iTo

R8437r

anode

part

DM15 .

,

to

Q8406-base.

number 03175060, descriptionr

sheet 4 of 8 ln

08{06-Emltter

to read

[ I_E'

and

R8438.'

'To

6704

Sheet I of

ECN

8151

32,449

IN STRU

oryrsron ot flracxrro cArtiA

^

M

ENTAT]O

rrstlur€r{, corPoi^

lno

N

Iiox

ADDENDUTI

FOR

PURPOSE

A.

Ihe foll,oring

nanufacturer.

PARTS

B.

In Parts

nulber

SROIr{:

TO:

c.

SCIIEIIATIC

TYPES 74.I1A,

change

LISI

REVISTON

List for

and description

Synbol

R8305

R8305

REVISIONS

both

Part Nunber

010? 2911

0107

74-134 DEIAYING SWEEP PLUG.INS

made to replace

was

referenced nanuala,

followa:

ag

part

dlscontinued by

changa

D€scrlptlon

Variable, 15tr,

2912 Variable,

30K,

R8306

+10t,

+t0t,

Part

lw

3,/aW

On sch€natic

Danual!,

change

nEorizontal

value

of

Deflection

R8306 fron 15r to 30K.

Anplifier' for

FAIFTeHIt-tr

both

referenced

570a 8251

Sheet

ECN

I of

32,478

l4t-

,L-L-

INSTRUMENTATION

l

orvrsroi or

r-

t

r^rncHlLo

cAtErA

ario

ristlula(l

coaP0ar

1.

l.

"ECHNICAL

The Types

uEed

I meqohm
nlth

Cable

Input

Capacltance

Divlglon

Peak
Bandwldth

RlsetLne

Probe

Probe
Type 79-02A

at 10

TYPE

SUMMARY

79948

give

i;

lnput.
Fairchlld

the

Length

ImPedancer

Ratlo

voltag€s

used

lrVlDIV

with the

INSTRUCTION

and

hlgh

These

SERIES.

79998
impedance

79OO

a

High

PERFORMANCE

(V/DIV

below

(100

20

!{nz

Sactor

p1ug-ln)

SHEET

ATTENUATOR

passive

are

input

probes

Frequency

l,lll z

are specially

SPECIFICAT

)

*.

PROBES

attenuatol

for oscilloscoPes

designed

Series

IONS

4

10

Plug-ins.

Probe

Feet,

Meg

Type

7pf

I0 :1

600v

Peak AC)

120

(Dc+

MHz

<.2.8 nsec

<5

nsec

overall

tyPe

Probes

havl'ng

for use

79998

9 Feet

Meg

10

pf

13

10!1

600v

Peak AC)

63 UHz

(.5.

6

<?

(Dc+

nsec
ns€c

.Input

connicted

ani

any other

plcof

1,1

r.Above

needed

capaclty.

Impedance

to

plug-ln

arads.

ytlfl.z

2O

to

the

produce- 100

F^A.!RC[-XEE-D

INSTRU

a otvtsro oa

epecifled

as

TyPe 79-o2A

the

havlng

peak AC must

rrlRcHrL0

a I

ma of

when used

I00

megohm input

be

reduced

current in

lrith bayonet

MHz DuaI

resistanc€

to 10

the 14

M ENTATIO

cAratrA

rllslilrMttl conron^

^rio

ground clLp

?race

tlnes

pJ.cofarads

Plug-ln

shunted

the value

16704

Pageg

I

N

i

or

by

lnput

8051

r3

TYPE ?qqtB E TqqqB SERTES lCantlnrrarll

An attenuator

Ioadlng

taneouily,

source,

In other

tude

lntrod-uced

excess

ln

caused

while isolating

it reducee

words,

the

by

by

of

attenuation

probe

by

the

the

those

reduces

oscilloscope

the

effectlve

the

dlsPlayed

factor

Probe

$hich nay

Perndts

both the caPacltlve

mlnimum value.

a

to

the oscilloscope

from

sensltivLty

waveform will be

of the

meaaurement

be acconrnodated

Probe.

of

ancl r631st!'ve

simul-

signal

the.

of the lnstrunent.

reduced

ln ampll-

the attenuatl'on

slgnal voltages

by tho

lnstrunent.

probe

tlhen uslng
othonrLse
erroneoua

caoacLtv and resistance

capaclty

vaiues

)ha r.r?rlh. I

prob6

th6

squaiiz€

clrcult

tlie

meaaurenenta
t{hen uslng

multlply

tlon

R€for to

factor

fhe naxin-um

a

crltlcal

readings.

and res

ihould

q

rarnovad from the circult. ThLg substltutLon

removed

ls

loading

under

w€re nade.

the

observed

the

narked

paragraph

vottlge

precisely equal tha! of

and

attenuator

sample a19na1s

to

clrcult,

In these

from

restore

obsorvatlon

arnplltude

tho

on

I for

that

peak-to-p€ak. Voitages

peak

or

prob€

adJustable

An

probe-

irom

lc volte)

housing.

body) compeniat€s

one

tranaient

IMIOSSAIII!

unit to

measurements,

may cauao

Befor. uslng tha

check

capacitor

another.

from

capacitlve

cases It nay

to the clrcult

the circuit.

the operatlng

to the

Probs

to

aame condltlona

make

of the

Probe.

the attenuation

may

be aPplled

excesa of

in

damago to

th18 value

Lt8 adJustment.

(a

mechanlcal

tor varlatlons

To

Ineure

check the

accuracy I'n

Probe

a tuned,

Ioadlng

be necessary

under

the

Thk sub8tltutlon

Thir sub8tltutlon

observatlon.

probe

match€d, or

cauas

may

lnpedance

characterLstlcs

amPlltude

dt'sp1ay

factor

the

to

meaauretnontt,

by thc

the

of

probe

(6lth€r

comPonenta

Prob6,

adJustlng

In Lnput

adjusttrent

lnslde

alwaya

eleeve

capacitancec

pulse

freguently.

to add

after

stLll

stlll

stll

wh€n

Probc

attonu.-

Plpbes.

le 600

dc

of

ln th€

and

Tho

Th6se

ot

!olt!

volt!

the

preserve

To

bayonet

th6

polnt

near

wav€ form

th6

ground

probe

th6

of

adaPter.

lnPut

the slgnal

belng

Select a short,

conn€ct1on.

dleplayed, uae
clean

ground

I

typE 29948

3. PNOBE

adjustable

The

pr6be

tha

capallty

Le-to

Connect

!r

b. 8€t the

(naxlmrm

c. Apply

al. AdJuBt

aleevc

lquaro

Once

lng

cap houalng

-

s 79998 SERIES

CAPACIIY

body

for

used.

bi

N}'UST!{ENT

mechanlcal

must

partLcular oscllloscope

Lhe

To adJust

probe

the

oacllloscop€

eensltlvlty)

a 10

Kc equara

capacitor

assembly

wave response

the correct

be locked

elaeve

may

(eee

(Contlnued)

adjusted

be

the

to

attenuator for zero

.

rrav6 algnal to th€

probe

ln

elther

ls

probe

Flgura

capacltor ln the

for varlatlons

wlth which ths

the

Probe,

lnput

by.

Ln or

obtaLned as

adiustment

place

ln

3) up agalnBt

proceed

the oscllloscop3.

of

roEatinq

untll th€

out

ahown

la obtalned,

by turnlng

sleeve

assembly

ln lnput

follows

ae

attenuatlon

Probe.

tha lnnar

best

Pl'gura 2a.

Ln

tha outcr

8leev..

tho

ot

Prob.

r

probb

porelblc

the adJust-

NOTE,

e.

Prop€r

a.

b & c Improper adjustment.

WAVETORMS

TIGURE

When ualng the

OacLlloecopea,

CAL

adJustlng lt.

llanuala for detalls.

2.

pln

Jack

AD.'USUNG ATTENUATOR

may be applled to the

adJustment

ENCOUNTERED WHEN

Falrchlld

Type

?00

the output from the

R6f€r

to th6

approprlate Instructlon

or 765

front

proba

o.

Serls.

Pan€l

for

p

5

.$

\',$

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I

l:j

;n

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,.1

L.l

M

o

H

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(/)

LI

rc

o

&

arr

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o

rl

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t..'

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l@t[Edryii

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B.

r

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R.(

t

2
3

a

5

6

79948

Nunbor

7999B

3

ATTENUAIOR

Part

3005
3304

3301
5028

5028

t800 6132

3005

(Contlnued)

PROBE

(Flgur€

Nunber

8601

0411

0131

9409

9{11

7{22

.

'

RAPLACEABIJE

3)

Pl'ncer

ortar

Locklng

Cable
Cabla

Intulated

TIP

ltain

Sleeve

AsamblY

AsaenrblY

Hook

Inaulat€d

PARTS

CouPllng

t

Housing

TIP

Iong

N€€dl.

(

799{8)

(79998)

AerenblY

llP

10

l1

l2

7

8

I

3005

3005

3600
090a

5028

0905

7112

8531

5621.

4601

9a3l

9850

Sprlng

Inrulated

Alllgator

Bayonet

Cabl.

Plug

contact

Short

CIIP

Gnd

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alP

(ttot

fiP

Needlc

AdaPter

Gnl

llluttrat'd)

TlP

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